15 Best 80 Plus Bronze PC Power Supplies, Compared
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Selecting an 80 Plus Bronze PC power supply provides dependable efficiency and stable power delivery for everyday desktop builds. The Corsair CX-M Modular Power Supply leads the list because its modular cabling simplifies cable management while maintaining verified 80 Plus Bronze efficiency.
We compared 15 models strictly using the specifications published on their listings, examining dimensions, connector layouts, and modularity. This guide helps you choose the ideal wattage, form factor, and cable configuration for your specific hardware needs.
Quick picks
The best fit for you
- You want modular cable management for desktop builds. Corsair CX-M Modular Power Supply This supply delivers 80 Plus Bronze efficiency with modular cabling to help manage desktop wires.
- You need a compact power supply for small enclosures. SilverStone 300W SFX Bronze Power Supply The SFX form factor delivers continuous 300W output and includes an ATX mounting adapter bracket.
- You need high wattage for power-demanding gaming hardware. Apevia Signature 900W Semi-Modular ATX PSU This ATX model supplies 900W output with semi-modular cabling for high-draw systems.
- You want long warranty coverage on a mid-range system. EVGA 650 BQ 650W Semi-Modular PSU The 650W semi-modular unit includes core circuit protections backed by a five-year warranty.
Our 15 picks
Corsair CX-M Modular Power Supply
Best for: desktop builds needing modular bronze power
- Efficiency Rating
- 80 Plus Bronze
- Modularity
- Modular
View on Amazon: Corsair CX-M Modular Power Supply (paid link)
The Corsair CX750M Modular Power Supply is an 80 Plus Bronze certified unit from the CX-M series. It features a modular design to help you manage internal cables and comes in a black finish. Because this is a renewed unit, it provides standard bronze-level power efficiency for everyday PC builds while keeping system clutter low through its detachable modular cables.
Pros
- 80 Plus Bronze efficiency certification
- Modular cabling design reduces case clutter
- Standard black finish matches typical PC chassis
Cons
- Renewed product rather than factory-new
- Detailed connector breakdown is not specified
Good fit if
- You want an 80 Plus Bronze unit with modular cables.
- You are satisfied buying renewed hardware.
Skip if
- You require a brand-new, factory-sealed power supply.
- You need higher efficiency than 80 Plus Bronze.
Verdict: Corsair CX750M Modular Power Supply delivers 80 Plus Bronze efficiency with modular cabling in a renewed package. It is a practical fit if you want modular cable management on a standard efficiency budget.
EVGA SuperNOVA 750W Bronze Power Supply
Best for: mid-tier PC builds needing 750W capacity
- Efficiency Rating
- 80 Plus Bronze
- Wattage
- 750W
- Modularity
- Hybrid Modular
- Dimensions
- 7.1 × 5.9 × 3.4 inches
- Weight
- 7 pounds
View on Amazon: EVGA SuperNOVA 750W Bronze Power Supply (paid link)
The EVGA SuperNOVA 750W Semi-Modular PSU delivers 750 watts of output with 80 Plus Bronze certification, reaching up to 85 percent electrical efficiency under typical workloads. Its hybrid modular cabling cuts down on case clutter while keeping essential power runs secure. Featuring a multi-rail architecture and Japanese capacitors, this power supply suits you if you run a higher-draw gaming build and need dedicated hardware protections inside a spacious standard case.
Pros
- 750W continuous output with up to 85% energy efficiency
- Japanese brand capacitors for component longevity
- Hybrid modular cabling reduces interior case clutter
- Full protection suite including OVP, UVP, OCP, OPP, SCP, and OTP
Cons
- 7.1-inch housing depth limits fit in compact chassis
- Hybrid modular design leaves primary cables hardwired
Good fit if
- You need 750W of power for a demanding desktop system.
- You want hybrid modular cabling to simplify internal wire management.
- You have a PC case with at least 7.1 inches of power supply bay depth.
Skip if
- You require a fully modular power supply where every cable detaches.
- You are assembling a small-form-factor or compact ATX build.
Verdict: EVGA SuperNOVA 750W Semi-Modular PSU provides solid 750-watt Bronze-rated capacity and robust circuit protections for larger desktop setups. It is a dependable mid-tier option if your case has sufficient room for its 7.1-inch chassis.
EVGA 650 BQ 650W Semi-Modular PSU
Best for: mid-range systems wanting a five-year warranty
- Efficiency Rating
- 80 Plus Bronze
- Wattage
- 650W
- Modularity
- Semi Modular
- Fan Size
- 140 millimeter
- Warranty
- 5 Year
- Dimensions
- 5.51 × 5.91 × 3.35 inches
View on Amazon: EVGA 650 BQ 650W Semi-Modular PSU (paid link)
The EVGA 650 BQ delivers 650W output with 80 Plus Bronze efficiency, reaching at least 85 percent under typical loads. You get semi-modular cabling to reduce excess clutter in your chassis, paired with a 140 mm Teflon nano-steel bearing fan for cooling. It includes five hardware protections—OVP, UVP, OCP, OPP, and SCP—plus a standalone power-on tester. This unit suits you if you need reliable mid-tier power backed by a five-year warranty.
Pros
- Semi-modular cabling reduces clutter
- 140 mm Teflon nano-steel bearing fan
- 5-year warranty coverage
- Includes power-on self-tester tool
- Heavy-duty protections: OVP, UVP, OCP, OPP, SCP
Cons
- Semi-modular design leaves primary cables hardwired
- Efficiency limited to 80 Plus Bronze standard
Good fit if
- You need 650W of power with semi-modular cable management.
- You want long-term coverage via a five-year warranty.
- You need an included self-tester tool to verify power before installation.
Skip if
- You need a fully modular unit to detach every cable.
- You need more than 650W for high-draw graphics cards.
Verdict: EVGA 650 BQ Semi-Modular Power Supply pairs 650W capacity with semi-modular flexibility and a 140 mm fan. It gives your system core circuit protections backed by a five-year warranty.
EVGA 500 BQ 500W Semi-Modular Power Supply
Best for: moderate-power PC builds needing semi-modular cable management
- Efficiency Rating
- 80 Plus Bronze
- Wattage
- 500W
- Modularity
- Semi Modular
- Fan Size
- 120 millimeter
- Warranty
- 3 Year
- Dimensions
- 5.51 × 5.91 × 3.35 inches
View on Amazon: EVGA 500 BQ 500W Semi-Modular Power Supply (paid link)
The EVGA 500 BQ 500W Semi-Modular PSU is a power supply designed for lower-demand desktop systems. You get 500 watts of power paired with an 80 Plus Bronze certification, reaching 85 percent efficiency or higher under typical loads. Its semi-modular cabling detaches surplus leads to simplify routing, and a 120-millimeter fluid dynamic bearing fan delivers cooling. It suits you if you want standard hardware protections.
Pros
- Semi-modular design allows removal of unnecessary peripheral cables
- 80 Plus Bronze certified with at least 85% efficiency at typical loads
- 120mm fluid dynamic bearing fan designed for quiet operation
- Built-in OVP, UVP, OCP, OPP, and SCP electrical protections
Cons
- 500W total capacity restricts support for higher-demand components
- Core motherboard cables are permanently attached rather than fully modular
- Warranty length is limited to 3 years
Good fit if
- You want semi-modular cabling to minimize clutter in a mid-range PC case.
- You run a desktop setup that requires 500W or less of continuous power.
Skip if
- You need more than 500W to run high-wattage graphics cards or processors.
- You prefer a fully modular power supply where every cable detaches.
Verdict: EVGA 500 BQ 500W Semi-Modular PSU delivers balanced 500-watt power and semi-modular convenience for everyday desktop configurations. Its 80 Plus Bronze rating and comprehensive suite of safety protections make it a dependable baseline choice.
FSP SFX Pro 450W Bronze Power Supply
Best for: compact budget builds needing an ATX bracket
- Efficiency Rating
- 80 Plus Bronze
- Wattage
- 450W
- Dimensions
- 5 × 4 × 2.5 inches
- Weight
- 2.69 pounds
View on Amazon: FSP SFX Pro 450W Bronze Power Supply (paid link)
The FSP SFX Pro 450W Bronze Power Supply is a compact SFX unit built with an 80 Plus Bronze efficiency rating. It features a DC-to-DC design, black ribbon cables, and an intelligent temperature-controlled sleeve fan. With dimensions of 5 by 4 by 2.5 inches, it includes an SFX-to-ATX bracket for broader case compatibility. It fits your needs if you are assembling a compact Mini-ITX build or budget office desktop.
Pros
- Includes an SFX-to-ATX adapter bracket
- Compact SFX footprint measuring 5 by 4 by 2.5 inches
- DC-to-DC module structure for stable voltage regulation
- Temperature-controlled automatic fan speed adjustment
Cons
- Limited to a 450W maximum power capacity
- Equipped with a basic sleeve bearing fan
Good fit if
- You need a compact SFX unit for a Mini-ITX case.
- You want an included adapter bracket to mount into standard ATX cases.
- You are powering an office or budget PC requiring 450W or less.
Skip if
- You need more than 450W for high-draw hardware.
- You require a power supply with a fluid dynamic bearing fan.
Verdict: FSP SFX Pro 450W Bronze Power Supply provides compact DC-to-DC power delivery with an included SFX-to-ATX adapter bracket. It is a dependable choice for space-constrained desktop configurations.
SilverStone 450W SFX Bronze Power Supply
Best for: small form factor builds requiring 450W
- Efficiency Rating
- 80 Plus Bronze
- Wattage
- 450W
- Form Factor
- SFX
- Dimensions
- 9 × 7 × 4 inches
View on Amazon: SilverStone 450W SFX Bronze Power Supply (paid link)
The SilverStone 450W SFX Bronze Power Supply fits small-form-factor builds or standard ATX cases using the included bracket. You get 450W of continuous power output rated at 40°C for 24/7 operation, along with 80 Plus Bronze efficiency delivering 82% to 85% efficiency under load. Its single +12V rail supplies 36A. It suits you if you need compact continuous power for a low-draw desktop or small PC chassis.
Pros
- Supports standard SFX chassis and ATX cases via included bracket
- 450W continuous power output rated at 40°C for 24/7 operation
- Single +12V rail delivering 36A
- 80 Plus Bronze efficiency reaching 82% to 85% under load
Cons
- 450W maximum output limits compatibility with higher-demand hardware
- Modular cable management is not listed in specifications
Good fit if
- You need a compact SFX power supply for a small-form-factor PC build.
- You want continuous power delivery rated for 24/7 operation at 40°C.
- You plan to mount an SFX unit inside a standard ATX enclosure using the included bracket.
Skip if
- You need more than 450W of total capacity for high-wattage components.
- You require detachable modular cables to simplify interior wire routing.
Verdict: SilverStone 450W SFX Bronze Power Supply delivers steady continuous output for compact enclosures with the flexibility of an ATX adapter bracket.
SilverStone 300W SFX Bronze Power Supply
Best for: low-wattage small-form-factor and compact desktop builds
- Efficiency Rating
- 80 Plus Bronze
- Wattage
- 300W
- Fan Size
- 92mm
- Form Factor
- SFX
- Dimensions
- 3.94 × 4.92 × 2.5 inches
View on Amazon: SilverStone 300W SFX Bronze Power Supply (paid link)
The SilverStone ST30SF V2 is a compact SFX power supply designed for small form factor builds and standard cases via an included ATX bracket. It delivers 300W of continuous power at 40℃ with 80 Plus Bronze efficiency rating. Featuring a single +12V rail and a 92mm cooling fan, this unit suits low-power desktop configurations requiring reliable 24/7 continuous operation in space-constrained enclosures.
Pros
- Includes bracket for mounting in standard ATX cases
- Continuous 300W output rated at 40℃ for 24/7 operation
- Compact SFX dimensions measuring 4.92 x 2.5 x 3.94 inches
- Equipped with a 92mm silent-running fan
Cons
- 300W total capacity limits hardware expandability
- Smaller 92mm fan compared to standard 120mm ATX power supply fans
Good fit if
- You need an SFX power supply that includes an ATX mounting bracket.
- You run a low-power system requiring under 300W of continuous output.
- You require 24/7 continuous operation at up to 40℃.
Skip if
- You run power-hungry graphics cards requiring more than 300W.
- You prefer power supplies with standard 120mm cooling fans.
Verdict: SilverStone 300W SFX Bronze Power Supply provides dependable continuous 300W output in a compact footprint with included ATX mounting compatibility. It offers an efficient, space-saving solution for basic, low-power desktop builds.
Thermaltake Smart BX1 650W 80+ Bronze PSU
Best for: Mid-range desktop builds using fixed flat cables
- Efficiency Rating
- 80 Plus Bronze
- Wattage
- 650W
- PCIe Connector Type
- PCI-E 6+2pin
- Fan Size
- 12cm
- Dimensions
- 8.03 × 9.92 × 3.78 inches
- Weight
- 4.37 pounds
View on Amazon: Thermaltake Smart BX1 650W 80+ Bronze PSU (paid link)
The Thermaltake Smart BX1 is an 80 Plus Bronze certified 650-watt power supply featuring flat cables and a 120mm hydraulic bearing cooling fan. It supports wide 100V to 240V input voltage and provides two 6+2-pin PCI-E power connectors. With an operating temperature range up to 40°C and a 16-millisecond hold-up time at 70 percent load, this unit suits your everyday gaming or desktop build requiring steady mid-range power delivery.
Pros
- 80 Plus Bronze efficiency rating
- 120mm hydraulic bearing cooling fan
- Flat cabling design for easier routing
- Bivolt operation supporting 100V to 240V input
Cons
- Includes only two 6+2-pin PCI-E connectors
- Fixed non-modular cable setup
Good fit if
- You need a 650W power supply for a graphics card requiring two or fewer 8-pin PCI-E power connectors.
- You want flat cables to help manage wiring inside your chassis.
Skip if
- You need a modular power supply to detach unused cables.
- You run a high-draw graphics card setup that requires more than two PCI-E power connectors.
Verdict: Thermaltake Smart BX1 650W Bronze Power Supply delivers steady 80 Plus Bronze efficiency and flat cabling for mid-tier systems. It fits practical builds that do not require modular cables or more than two PCI-E power leads.
GAMDIAS 600W 80 Plus Bronze RGB PSU
Best for: RGB-focused budget gaming desktop builds
- Efficiency Rating
- 80 Plus Bronze
- Wattage
- 600W
- Recommended Use
- Gaming
- Power Factor Correction
- Active PFC
- Dimensions
- 9.45 × 7.87 × 3.54 inches
- Weight
- 2.2 pounds
View on Amazon: GAMDIAS 600W 80 Plus Bronze RGB PSU (paid link)
The GAMDIAS KRATOS 600W RGB Bronze PSU delivers 600 watts of continuous output with an 80 Plus Bronze efficiency rating for gaming desktop builds. It features Active PFC, a physical silent mode switch, and an ECO fan control system that tunes fan speed automatically. Built-in RGB lighting supports 30 integrated presets along with direct motherboard synchronization, making it a functional option if you want synchronized aesthetics alongside baseline power delivery.
Pros
- 80 Plus Bronze efficiency rating
- Addressable RGB sync compatible with major motherboard software
- Hardware button controls 30 built-in lighting effects
- Dedicated switch for ultra silent fan operation
- Active Power Factor Correction (Active PFC)
Cons
- No modular cabling listed in specifications
- 600-watt capacity limits headroom for power-heavy graphics cards
Good fit if
- You want RGB lighting integrated directly into your power supply unit.
- You use an addressable RGB motherboard header to coordinate system lighting.
- You run a mainstream gaming rig requiring 600 watts or less.
Skip if
- You need modular cabling to detach unused cables.
- You require more than 600 watts of total capacity for high-draw hardware.
Verdict: GAMDIAS KRATOS 600W RGB Bronze PSU pairs entry-level 80 Plus Bronze power delivery with addressable RGB synchronization and a manual silent fan switch. It suits desktop gaming configurations where aesthetic lighting control is a primary priority.
EVGA 500 BA 500W Bronze Power Supply
Best for: entry-level 500W desktop systems
- Efficiency Rating
- 80 Plus Bronze
- Wattage
- 500W
- Warranty
- 3 Year
- Dimensions
- 5.51 × 5.9 × 3.38 inches
View on Amazon: EVGA 500 BA 500W Bronze Power Supply (paid link)
The EVGA 500 BA provides 500W of continuous power with an 80 Plus Bronze efficiency rating, reaching 85 percent efficiency or higher under typical loads. You get a single 12V rail equipped with a DC-DC converter for stable 3.3V and 5V power rails, plus active PFC. It suits you if you build an entry-level desktop needing standard ATX dimensions and full internal circuit protections without excess wattage.
Pros
- 80 Plus Bronze certified with 85% or higher efficiency under typical loads
- DC-DC converter design for stable 3.3V and 5V rails
- Comprehensive protection suite: OVP, UVP, OCP, OPP, SCP, and OTP
- Active Power Factor Correction (PFC)
Cons
- 500W maximum capacity limits high-draw hardware
- 3-year warranty period is shorter than some competing models
Good fit if
- You need a 500W power supply for a moderate desktop configuration.
- You want DC-DC conversion and comprehensive circuit safeguards on a single 12V rail.
Skip if
- You need more than 500W of capacity for power-demanding graphics cards.
- You prefer modular cabling for custom cable management.
Verdict: EVGA 500 BA 500W Bronze Power Supply delivers verified 80 Plus Bronze efficiency and DC-DC voltage regulation in a compact chassis. It provides solid core electrical protections for systems operating within a 500W envelope.
Apevia Signature 900W Semi-Modular ATX PSU
Best for: high-draw gaming rigs needing 900W output
- Efficiency Rating
- 80 Plus Bronze
- Wattage
- 900W
- Modularity
- Semi-Modular
- ATX Version
- ATX 12V 2.3
- PCIe Connector Type
- 8(6+2)pin PCI-E
- Fan Size
- 135mm
View on Amazon: Apevia Signature 900W Semi-Modular ATX PSU (paid link)
The Apevia Signature 900W Semi-Modular ATX PSU delivers 900 watts of power with 80 Plus Bronze certified efficiency. It features a single +12V rail rated at 66 amps and a semi-modular cable layout to reduce case clutter. With four 8-pin PCI-E connectors and a 135mm blue LED fan, you get substantial output for power-heavy gaming hardware.
Pros
- 900W output with a single +12V rail delivering 66A
- Semi-modular design with four 8-pin (6+2) PCI-E connectors
- Auto-thermally controlled 135mm cooling fan
- Built-in short-circuit, over-voltage, over-power, and under-voltage protections
Cons
- Provides only 4 SATA power connectors
- Cooling fan LED is fixed blue with no shutoff switch
- Built to the older ATX 12V 2.3 specification
Good fit if
- You need 900W of total capacity with 66A on the +12V rail.
- You run multiple graphics cards requiring four PCI-E power plugs.
- You prefer semi-modular cabling to keep excess wires out of the chassis.
Skip if
- You need more than four SATA power connections for storage drives.
- You want an unlit fan or fully customizable RGB lighting.
- You require a fully modular power supply.
Verdict: Apevia Signature 900W Semi-Modular ATX PSU supplies 900 watts with semi-modular cabling for power-demanding systems. However, its four SATA connectors and fixed blue LED fan limit storage expansion and lighting customization.
AZZA 750W 80 Plus Bronze Power Supply
Best for: 750W builds needing multiple PCIe GPU connections
- Efficiency Rating
- 80 Plus Bronze
- Wattage
- 750W
- PCIe Connector Type
- 6+2P
- Dimensions
- 4.3 × 10.6 × 8 inches
View on Amazon: AZZA 750W 80 Plus Bronze Power Supply (paid link)
This 750-watt unit delivers 80 Plus Bronze efficiency for desktop builds. You get dual 8-pin EPS connectors for processor power and four 6+2-pin PCIe connectors to support multi-plug graphics cards. Peripheral connections include five SATA plugs and two Molex connectors. It suits you if you need a high-wattage power supply with multiple GPU power leads for a standard mid-tower gaming or workstation system.
Pros
- 750W total output with 80 Plus Bronze certification
- Four 6+2-pin PCIe connectors for graphics cards
- Two 8-pin (4+4) EPS connectors for CPU power
- Five SATA connections for storage drives
Cons
- Provides only five SATA drive connectors
- Includes only two legacy Molex connectors
- ATX main cable length is limited to 500mm
Good fit if
- You need four 6+2-pin PCIe connectors for your graphics card setup.
- You run a motherboard requiring dual 8-pin EPS CPU power connections.
- You want 750 watts of output with 80 Plus Bronze efficiency.
Skip if
- You need more than five SATA power connections for storage.
- You require an ATX main cable longer than 500mm for a large chassis.
Verdict: AZZA 750W 80 Plus Bronze Power Supply delivers 750 watts of output with dual CPU EPS connections and four PCIe plugs. It supplies dependable power for multi-connector graphics cards within a standard cable layout.
ARESGAME 600W 80 Plus Bronze ATX Power Supply
Best for: mainstream 600W ATX gaming desktop builds
- Efficiency Rating
- 80 Plus Bronze
- Wattage
- 600W
- Fan Size
- 120mm
- Dimensions
- 5.9 × 5.5 × 3.3 inches
- Weight
- 3.43 pounds
View on Amazon: ARESGAME 600W 80 Plus Bronze ATX Power Supply (paid link)
The ARESGAME 600W 80 Plus Bronze ATX Power Supply provides 85% or higher efficiency for standard desktop systems. It features a 120mm cooling fan, all-black cabling, and measures 5.9 by 5.5 by 3.3 inches. Integrated protections include OVP, UVP, OPP, and SCP to safeguard your components. This unit suits you if you need a dedicated 600W supply for a mainstream ATX gaming PC without multicolor wiring.
Pros
- 80 Plus Bronze certified with 85% or higher efficiency
- Integrated 120mm cooling fan
- All-black cabling
- Includes OVP, UVP, OPP, and SCP circuit protections
Cons
- No modular cabling listed
- Lacks OTP and OCP in listed protection specifications
Good fit if
- You run a standard gaming rig requiring up to 600W.
- You prefer uniform black internal cabling.
Skip if
- You need modular cables to detach unused leads.
- You require more than 600W of system capacity.
Verdict: ARESGAME 600W 80 Plus Bronze ATX Power Supply provides up to 85% efficiency with built-in 120mm fan cooling and essential circuit protections.
Corsair 650W Semi-Modular ATX Power Supply
Best for: mid-range ATX builds needing dual EPS12V support
- Efficiency Rating
- 80 Plus Bronze
- Wattage
- 650 Watt
- Modularity
- Semi-Modular
- Form Factor
- ATX
- Size
- 650W
- Dimensions
- 5.91 × 5.51 × 3.39 inches
View on Amazon: Corsair 650W Semi-Modular ATX Power Supply (paid link)
The Corsair 650W Semi-Modular ATX Power Supply delivers 650 watts of output with an 80 Plus Bronze efficiency certification. It features semi-modular cabling with dual EPS12V connectors, Japanese 105°C capacitors, and DC-to-DC conversion for the 3.3V and 5V rails. A rifle bearing cooling fan provides low-noise operation. This unit suits you if you need a mid-tier power source for an ATX desktop build without unnecessary cable clutter.
Pros
- Semi-modular cabling with dual EPS12V connectors
- Japanese capacitors rated up to 105°C
- DC-to-DC conversion for +3.3V and +5V rails
- Rifle bearing fan designed for reduced operating noise
Cons
- Semi-modular design leaves main power cables permanently attached
- Standard ATX casing is too large for compact SFX-only enclosures
Good fit if
- You need dual EPS12V connectors for your motherboard.
- You want semi-modular cabling to keep unused peripheral cables out of your case.
- You prefer an internal design built with 105°C-rated Japanese capacitors.
Skip if
- You require a fully modular unit where all cables can be detached.
- You are assembling a small-form-factor system that requires an SFX power supply.
Verdict: Corsair 650W Semi-Modular ATX Power Supply provides 80 Plus Bronze efficiency with Japanese capacitors and dual EPS12V connections. It is a practical mid-capacity option for standard ATX builds that benefit from semi-modular cable management.
MSI MAG A650BN 650W Non-Modular PSU
Best for: standard 650W builds using fixed cables
- Efficiency Rating
- 80 Plus Bronze
- Wattage
- 650W
- Modularity
- Non-Modular
- Warranty
- 5 Year
- Power Factor Correction
- Active PFC
- Dimensions
- 8.66 × 3.15 × 1.18 inches
View on Amazon: MSI MAG A650BN 650W Non-Modular PSU (paid link)
The MSI MAG A650BN gives you 650 watts of output with an 80 Plus Bronze efficiency rating. It features a non-modular design with fixed cables, a low-noise fan, and DC-DC circuit design for stable power delivery. Built-in industrial protections cover OVP, OCP, OPP, OTP, and SCP alongside Active PFC. It suits you if you need standard 650W power and have space to tuck away fixed cables.
Pros
- 80 Plus Bronze efficiency rating
- DC-DC circuit design with Active PFC
- Industrial protection suite including OVP, OCP, OPP, OTP, and SCP
- 5-year warranty coverage
Cons
- Non-modular design prevents removing unused cables
- 650W capacity limits headroom for power-heavy hardware
Good fit if
- You want a standard 650W power supply with 80 Plus Bronze efficiency.
- You want the security of comprehensive OVP, OCP, OPP, OTP, and SCP protections.
- You have sufficient case space to store extra fixed cables.
Skip if
- You want modular or semi-modular cabling to simplify wire management.
- You need more than 650 watts for high-draw hardware configurations.
Verdict: MSI MAG A650BN 650W Non-Modular PSU delivers 80 Plus Bronze power and DC-DC regulation backed by a 5-year warranty. It provides solid core electrical protections for builds that do not require detachable cables.
Specifications side by side
| Spec | Corsair CX-M Modular Power Supply | EVGA SuperNOVA 750W Bronze Power Supply | EVGA 650 BQ 650W Semi-Modular PSU | EVGA 500 BQ 500W Semi-Modular Power Supply | FSP SFX Pro 450W Bronze Power Supply | SilverStone 450W SFX Bronze Power Supply | SilverStone 300W SFX Bronze Power Supply | Thermaltake Smart BX1 650W 80+ Bronze PSU | GAMDIAS 600W 80 Plus Bronze RGB PSU | EVGA 500 BA 500W Bronze Power Supply | Apevia Signature 900W Semi-Modular ATX PSU | AZZA 750W 80 Plus Bronze Power Supply | ARESGAME 600W 80 Plus Bronze ATX Power Supply | Corsair 650W Semi-Modular ATX Power Supply | MSI MAG A650BN 650W Non-Modular PSU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wattage | not specified | 750W | 650W | 500W | 450W | 450W | 300W | 650W | 600W | 500W | 900W | 750W | 600W | 650 Watt | 650W |
| Efficiency Rating | 80 Plus Bronze | 80PLUS Bronze | 80+ Bronze | 80+ Bronze | 80 PLUS Bronze | 80 Plus Bronze | 80 Plus Bronze | 80+ Bronze | 80 PLUS Bronze | 80 PLUS Bronze | 80+ Bronze | 80+ Bronze | 80 PLUS Bronze | 80 Plus Bronze | 80+ Bronze |
| Modularity | Modular | Hybrid Modular | Semi Modular | Semi Modular | not specified | not specified | not specified | not specified | not specified | not specified | Semi-Modular | not specified | not specified | Semi-Modular | Non-Modular |
| ATX Version | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | ATX 12V 2.3 | not specified | not specified | not specified | not specified |
| PCIe Connector Type | not specified | not specified | not specified | not specified | not specified | not specified | not specified | PCI-E 6+2pin | not specified | not specified | 8(6+2)pin PCI-E | 6+2P | not specified | not specified | not specified |
| Fan Size | not specified | not specified | 140 millimeter | 120 millimeter | not specified | not specified | 92mm | 12cm | not specified | not specified | 135mm | not specified | 120mm | not specified | not specified |
| Warranty | not specified | not specified | 5 Year | 3 Year | not specified | not specified | not specified | not specified | not specified | 3 Year | not specified | not specified | not specified | not specified | 5 Year |
| Form Factor | not specified | not specified | not specified | not specified | not specified | SFX | SFX | not specified | not specified | not specified | ATX | not specified | not specified | ATX | not specified |
| Recommended Use | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Gaming | not specified | Gaming | not specified | not specified | not specified | not specified |
| Power Factor Correction | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Active PFC | not specified | not specified | not specified | not specified | not specified | Active PFC |
| Size | not specified | not specified | 650W | 500W | 450W | 450W | 300W V2 | not specified | 600W Bronze | 500W | not specified | not specified | not specified | 650W | 650W |
| Dimensions | not specified | 7.1 × 5.9 × 3.4 inches | 5.51 × 5.91 × 3.35 inches | 5.51 × 5.91 × 3.35 inches | 5 × 4 × 2.5 inches | 9 × 7 × 4 inches | 3.94 × 4.92 × 2.5 inches | 8.03 × 9.92 × 3.78 inches | 9.45 × 7.87 × 3.54 inches | 5.51 × 5.9 × 3.38 inches | 6.2 × 5.9 × 3.4 inches | 4.3 × 10.6 × 8 inches | 5.9 × 5.5 × 3.3 inches | 5.91 × 5.51 × 3.39 inches | 8.66 × 3.15 × 1.18 inches |
| Weight | not specified | 7 pounds | 5 pounds | 1.1 pounds | 2.69 pounds | not specified | not specified | 4.37 pounds | 2.2 pounds | not specified | not specified | not specified | 3.43 pounds | 5.01 pounds | 2.2 pounds |
| Color | not specified | Black | not specified | not specified | 80 Plus Bronze | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Black | Black |
| Model | not specified | 120-PB-0750-KR | 110-BQ-0650-V1 | 110-BQ-0500-K1 | PPA450AA01 | SST-ST45SF-V3-USA | SST-ST30SF V2 | PS-SPD-0650NNFABB-1* | 16210-01000-10000-G | 100-BA-0500-K1 | SIGNATURE900W | PSAZ-750W | AGW600 | CP-9020221-NA | 306-7ZP2B11-CE0 |
Is 80 Plus Bronze Worth It for Your PC?
An 80 Plus Bronze certification ensures your power supply achieves up to 85% electrical efficiency under typical loads. In daily operation, this efficiency level pairs with active power factor correction and DC-to-DC voltage regulation to deliver steady continuous wattage to your components. It provides reliable heat management for standard 120 mm or 140 mm cooling fans across everyday desktop computing and gaming workloads. This baseline rating supports stable power delivery for mainstream systems without complex power demands.
Worth it if
- You run an everyday desktop or gaming build requiring continuous output between 300W and 900W.
- You want verified efficiency reaching up to 85% combined with active power factor correction.
Skip it if
- You require an electrical efficiency rating higher than 80 Plus Bronze for your hardware.
- You operate components that demand continuous power delivery exceeding 900W.
If you need to verify power supply clearance dimensions, review chassis specifications for each corsair PC case to confirm fit.
How We Chose These Models
To select units for this guide, we filtered Amazon listings that specify an 80 Plus Bronze efficiency rating. A power supply qualifies only when its published title or feature list confirms this standard. We include one variant per product family to keep the comparison broad. All listed specifications come directly from published manufacturer data; products are not physically handled.
The 15 units appear with products in stock first, then by Amazon sales rank, placing better-selling products first. Comparing published specs such as wattage capacity, cabling modularity, and chassis dimensions helps you identify the best fit for your build. Current stock updates on the page at least daily.
Choosing the Right 80 Plus Bronze PSU
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Calculate Total System Wattage
You need to sum the maximum power draw of your graphics card, processor, and system drives before buying. Choose a power supply with at least twenty to thirty percent wattage headroom above that total. Extra headroom prevents random shutdowns during sudden power spikes and keeps the supply running within its optimal efficiency curve. For high-draw gaming builds running demanding hardware, a high-output unit like the Apevia Signature 900W Semi-Modular ATX PSU ensures your components receive adequate continuous power without straining electrical rails.
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Count Required PCIe Connectors
Check how many dedicated power cables your graphics card demands. Modern performance video cards frequently require two or three independent 8-pin or 6+2-pin PCIe power plugs to maintain stable voltage under load. Avoid relying heavily on splitter cables or daisy chains, which can overheat individual wires during long gaming sessions. A model like the AZZA 750W 80 Plus Bronze Power Supply provides four PCIe connectors, making it an appropriate match for multi-cable graphics cards without needing third-party adapters or connector splitters.
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Verify Motherboard EPS12V Support
Examine your motherboard specifications for CPU power input requirements before selecting a power supply. Standard motherboards require a single 8-pin or 4+4-pin EPS12V connector, but modern high-performance boards often require two EPS connections to supply clean current during sustained workloads. Selecting a power supply with dual EPS connectors prevents power delivery bottlenecks and simplifies wiring. The Corsair 650W Semi-Modular ATX Power Supply includes dual EPS12V connections, providing the exact wiring harness needed for motherboards that require two separate processor power leads.
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Check Power Supply Depth
Standard ATX power supplies share fixed width and height dimensions, but casing length varies significantly between models. Compact ATX units measure around 5.5 inches long, while higher-wattage units often extend past 7 inches. Excess length can collide with bottom-mounted hard drive cages or crowd the cable exit area in smaller computer cases. For instance, the EVGA SuperNOVA 750W Bronze Power Supply has a length of 7.1 inches. Measure the clearance inside your case's lower compartment before buying to ensure the unit fits without obstructing cables.
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Compare Manufacturer Warranty Terms
Review the manufacturer warranty duration on each power supply specification sheet. Entry-tier units commonly provide two or three years of warranty support, whereas sturdier designs offer five years of coverage. A longer coverage window signals higher manufacturer confidence in internal component durability and electrical protection circuitry. The MSI MAG A650BN 650W Non-Modular PSU includes a 5-year warranty, making it a reliable target if you prioritize extended manufacturer backing. Always verify the warranty period against your expected build upgrade cycle before finalizing your purchase.
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Assess Cooling Fan Size
Examine the internal fan dimensions to balance thermal performance and acoustic output. Most ATX power supplies utilize standard 120 mm cooling fans, but larger chassis models can fit 140 mm fans. A larger diameter fan moves equivalent air volume at lower rotational speeds, maintaining quiet operation during sustained computing tasks. The EVGA 650 BQ 650W Semi-Modular PSU incorporates a 140 mm fan for active heat dissipation. If you want a quiet workspace under heavy computing loads, compare fan diameter specifications across candidate models.
Frequently asked questions
Can an SFX 80 Plus Bronze power supply fit into a standard ATX computer case?
Yes, you can install an SFX unit in an ATX chassis if it comes with an adapter bracket. Models such as the FSP SFX Pro 450W, SilverStone 450W SFX, and SilverStone 300W SFX include SFX-to-ATX brackets for this purpose. This bracket bridges the mounting screw pattern differences, letting you secure a small form factor power supply inside regular computer cases without custom mounting modifications.
What is the operational difference between semi-modular and non-modular power supplies?
The difference lies entirely in cable handling and interior clutter. Non-modular units like the MSI MAG A650BN and Thermaltake Smart BX1 have all wiring permanently attached to the housing. Semi-modular supplies like the Corsair 650W and EVGA 650 BQ attach only essential motherboard leads permanently. You attach peripheral or supplemental graphics cables only when your hardware requires them, simplifying interior routing and component installation.
What output capacity range can you find in 80 Plus Bronze power supplies?
Output ratings for 80 Plus Bronze power supplies span wide capacity tiers to match different system needs. In this comparison, choices range from compact 300W units like the SilverStone 300W SFX up to heavy-output 900W models like the Apevia Signature. Mid-range configurations commonly use 500W to 650W models, such as the EVGA 500 BA or Corsair 650W, providing balanced overhead for standard components.
How do 80 Plus Bronze power supplies support multi-connector graphics cards?
Power delivery depends directly on the dedicated PCIe plugs provided on each unit. For instance, the AZZA 750W power supply includes four PCIe connections alongside dual EPS connectors to run multi-plug graphics hardware. In contrast, smaller or mid-tier models like the Thermaltake Smart BX1 650W provide two PCIe leads, which fit single-card configurations requiring fewer auxiliary power cables.
Why does overall power supply chassis length matter during system assembly?
Power supply chassis length determines whether the unit fits cleanly ahead of your internal drive cages or cable routing grommets. While standard mid-range units like the EVGA 650 BQ measure around 5.51 inches in length, high-output options like the EVGA SuperNOVA 750W reach 7.1 inches. Checking chassis depth specifications ensures you have sufficient room for modular plug clearance and wire bends inside your case.
Do 80 Plus Bronze power supplies offer integrated lighting controls?
Certain Bronze units include lighting features, though the specific controls vary significantly by model. The GAMDIAS KRATOS 600W features addressable RGB synchronization along with a manual silent fan switch for aesthetic customization. In contrast, units like the Apevia Signature 900W come with a fixed single-color blue LED fan, while mainstream options like the Corsair CX-M and EVGA BQ series omit illumination entirely.
What cooling fan sizes are standard on 80 Plus Bronze power supplies?
Bronze power supplies utilize different fan diameters based on their housing dimensions and thermal requirements. For example, the EVGA 650 BQ uses a large 140 mm fan to move air across internal parts, whereas standard ATX models like the ARESGAME 600W utilize a 120 mm cooling fan. Smaller form factor SFX units employ more compact fan designs to fit their reduced frame envelopes.