Thermaltake Smart 500W 80 Plus Alternatives: 6 Similar Picks Compared
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Finding suitable thermaltake 500w power supply alternatives starts with understanding what the baseline unit offers. The original Thermaltake Smart 500W 80 Plus White PSU delivers standard 500W output, Intel ATX 12V 2.3 compliance, and Active PFC across 100V to 240V AC input ranges. It reliably covers continuous wattage requirements for entry-level desktop PCs that do not need advanced power features.
You might consider an alternative if your system demands specific specs the original unit lacks. You may prefer higher efficiency ratings such as 80 Plus Bronze or Gold, semi-modular cabling for cleaner routing, DC-to-DC regulation, or components from brands like EVGA and SilverStone. Compact PC cases may also require non-standard dimensions, such as slim Flex ATX or TFX profiles, rather than traditional ATX sizing. These 6 alternatives were chosen because their specifications overlap with the original 500W output, allowing you to match your hardware needs with the right physical and electrical capabilities.
How Each Alternative Compares
EVGA 500 W1 500W Power Supply
The EVGA 500 W1 matches the original unit's 500W capacity and 80 Plus White efficiency rating, but it packages that power into standard ATX casing dimensions of 5.91 by 3.35 by 5.51 inches. It also includes full protection circuitry to safeguard your components against electrical faults. You give up the original's lighter listed weight, as this model weighs 4 pounds. It also remains a non-modular power supply with fixed cables, just like the base Thermaltake unit. You should pick this alternative if you need a standard-depth ATX power supply with integrated protection circuits for an entry-level desktop build.
Thermaltake Smart 500W 80 Plus White PSU
This Thermaltake Smart 500W model (PS-SPD-0500NPCWUS-W) shares the same 500W output, 80 Plus White efficiency, and Active PFC as the original unit. However, it specifically includes a 5-year warranty and verified ATX form factor support for continuous desktop operation. Its dimensions measure 4 by 7 by 8.9 inches, and it weighs 3.8 pounds. It does not provide higher electrical efficiency ratings or modular cabling, retaining the exact same fixed-cable configuration as the original. You should pick this model if you want the familiar specifications and Active PFC of the original Thermaltake platform but specifically require the added peace of mind of a published 5-year warranty.
EVGA 500 BQ 500W Semi-Modular Power Supply
The EVGA 500 BQ improves upon the original unit by upgrading to an 80 Plus Bronze efficiency rating and adding a semi-modular cable design. Detachable peripheral cables mean you only install what your system requires, making cable management inside your case much easier. It also features standard ATX dimensions of 5.91 by 3.35 by 5.51 inches and weighs only 1.1 pounds, alongside essential hardware protections. It still provides the same 500W total capacity ceiling as the base model. You should choose this unit if you want reduced cable clutter inside your case and improved energy efficiency over the original 80 Plus White specification.
EVGA 500 BA 500W Bronze Power Supply
The EVGA 500 BA advances beyond the original power supply by offering an 80 Plus Bronze efficiency rating and dedicated DC-to-DC voltage regulation. DC-to-DC circuitry delivers more stable voltage rails to your components during fluctuating system loads, supported by complete internal circuit protections. It comes in a compact ATX enclosure measuring 5.9 by 3.38 by 5.51 inches. Unlike modular alternatives, it retains fixed non-modular cabling, and it does not increase overall wattage past 500W. You should choose the EVGA 500 BA over the base Thermaltake model if you want tighter voltage stability and better energy efficiency for your standard desktop PC build.
SilverStone 500W Flex ATX Power Supply
The SilverStone 500W Flex ATX unit differs fundamentally from the original by utilizing a miniature Flex ATX form factor measuring just 3.21 by 1.59 by 5.91 inches. It also upgrades efficiency significantly to an 80 Plus Gold rating while sustaining continuous 500W output. Because of its specialized shape and 2.87-pound build, it will not mount directly into conventional ATX case cutouts without specialized brackets. It also does not offer modular cables. You should pick this SilverStone model if you are assembling a compact small-form-factor chassis that physically requires a slim Flex ATX power supply instead of the original's standard full-sized ATX casing.
SilverStone 500W Gold TFX Power Supply
The SilverStone SST-TX500-G changes the physical profile entirely by using a TFX form factor, measuring 3.4 by 2.6 by 6.9 inches with a black lead-free finish. It also raises efficiency from the original's 80 Plus White level to 80 Plus Gold while matching the continuous 500W output. However, its elongated, narrow layout prevents it from installing in standard ATX power supply bays without an adapter. It also retains fixed wiring rather than modular cables. You should pick this alternative if you are building or replacing a power supply in a slimline PC case engineered specifically for the narrow TFX format rather than standard ATX.
Quick picks
Our 7 picks
Thermaltake Smart 500W 80 Plus White PSU
Best for: entry-level desktop PCs needing standard 500W power
- Wattage
- 500W
- Efficiency Rating
- 80 Plus White
- ATX Version
- Intel ATX 12V 2.3
- Dimensions
- 9.84 × 7.87 × 4.33 inches
- Weight
- 6.88 ounces
This Thermaltake power supply delivers 500W of continuous output using the Intel ATX 12V 2.3 standard. It features 80 Plus White efficiency and Active Power Factor Correction to handle everyday power loads. With support for standard 100V to 240V AC inputs, it fits general desktop computers operating between 5°C and 40°C. You get a basic black unit designed specifically for low-demand, entry-level desktop systems needing standard 500W continuous capacity.
Pros
- 500W maximum continuous output capacity
- Active Power Factor Correction included
- Universal input voltage from 100V to 240V AC
- 80 Plus White efficiency certified
Cons
- Uses older Intel ATX 12V 2.3 specification
- Limited to baseline 80 Plus White efficiency level
- No modular cabling listed in specifications
Good fit if
- You need a basic 500W ATX power supply for everyday computing.
- You require wide AC input voltage support between 100V and 240V.
- You want standard Active PFC on an entry-level desktop build.
Skip if
- You require 80 Plus Bronze or Gold efficiency tiers.
- You need modern ATX 3.0 standards or modular cables.
Verdict: Thermaltake Smart 500W 80 Plus White PSU provides baseline 500W output with Active PFC for basic PC builds. It covers standard desktop power requirements without advanced efficiency ratings or modular cabling.
EVGA 500 W1 500W Power Supply
Best for: entry-level desktop builds needing standard 500W power
- Wattage
- 500W
- Efficiency Rating
- 80+ WHITE
- Dimensions
- 5.51 × 5.91 × 3.35 inches
- Weight
- 4 pounds
The EVGA 500W 80 Plus White Power Supply provides 500 watts of power with 80 Plus White certification, ensuring at least 80 percent efficiency under typical loads. It includes five built-in electrical protections: OVP, UVP, OCP, OPP, and SCP. Measuring 5.91 by 3.35 by 5.51 inches and weighing 4 pounds, this unit suits you if you need a standard replacement or alternative for entry-level desktop systems.
Pros
- 80 Plus White certified with 80% or higher efficiency under typical loads
- Heavy-duty protections including OVP, UVP, OCP, OPP, and SCP
- Standard form factor measuring 5.91 by 3.35 by 5.51 inches
Cons
- Base 80 Plus White efficiency rating rather than Bronze or Gold
- No modular cable management specified
Good fit if
- You need a standard 500W power supply for basic computing needs.
- You want standard safety protections including over-voltage and short-circuit safeguards.
Skip if
- You require an 80 Plus Bronze or Gold efficiency rating.
- You need modular cabling to reduce internal case clutter.
Verdict: EVGA 500W 80 Plus White Power Supply provides reliable baseline power and full protection circuitry for entry-level builds. It is a solid choice when you need an uncomplicated 500-watt component.
Thermaltake Smart 500W 80 Plus White PSU
Best for: basic desktop builds needing continuous 500W power
- Wattage
- 500 Watt
- Efficiency Rating
- 80+ White
- ATX Version
- Intel ATX 12 Volt 2.31
- PCIe Connector Type
- PCI E 6plus2pin
- Fan Size
- 120mm
- Warranty
- 5 Year
The Thermaltake Smart 500W is an entry-level ATX power supply designed for standard desktop builds. It delivers 500W of continuous power at 40°C with 80 PLUS White certification for 80% efficiency at typical loads. You get active PFC, a 120mm cooling fan, two 6+2-pin PCIe connectors, and a 5-year warranty. It fits everyday systems that need basic power delivery without complex cabling requirements.
Pros
- Delivers 500W continuous output rated at 40°C
- Includes a 5-year warranty
- Provides two 6+2-pin PCIe power connectors
- 120mm cooling fan for thermal management
Cons
- 80 PLUS White rating limits efficiency to 80% under typical load
- Protection suite lists only OPP, OVP, and SCP
Good fit if
- You need a continuous 500W supply for a standard ATX PC build.
- You want two 6+2-pin PCIe connectors backed by a 5-year warranty.
- You operate standard components compatible with ATX 12V 2.31 standards.
Skip if
- You require higher 80 PLUS Bronze or Gold energy efficiency.
- You need built-in over-temperature protection in the listed protection suite.
Verdict: Thermaltake Smart 500W 80 Plus White PSU provides dependable continuous power and a 5-year warranty for entry-level ATX systems. It covers basic desktop requirements whenever higher efficiency ratings are not needed.
EVGA 500 BQ 500W Semi-Modular Power Supply
Best for: cleaner cable routing in 500W setups
- Wattage
- 500W
- Efficiency Rating
- 80+ Bronze
- Modularity
- Semi Modular
- Fan Size
- 120 millimeter
- Warranty
- 3 Year
- Dimensions
- 5.51 × 5.91 × 3.35 inches
This 500W ATX power supply delivers 80 Plus Bronze efficiency with semi-modular cabling. You attach only the peripheral cables your build requires, which reduces internal clutter. A 120-millimeter fluid dynamic bearing fan provides cooling with automatic speed adjustment. Built-in OVP, UVP, OCP, OPP, and SCP protections safeguard your hardware. It suits your system if you want Bronze-tier efficiency and tidier cable management than fixed-cable alternatives offer.
Pros
- Semi-modular design allows detached extra cables
- 80 Plus Bronze certified for 85% or higher typical efficiency
- 120mm fluid dynamic bearing fan with automatic control
- Includes OVP, UVP, OCP, OPP, and SCP protections
Cons
- Semi-modular design leaves main cables permanently attached
- Efficiency ceiling limited to 80 Plus Bronze
Good fit if
- You want semi-modular cabling to reduce loose wires in your case.
- You need 80 Plus Bronze efficiency for a 500W build.
- You prefer a fluid dynamic bearing fan for cooling.
Skip if
- You require a fully modular power supply.
- You need 80 Plus Gold or higher efficiency ratings.
Verdict: EVGA 500 BQ Semi-Modular 500W Power Supply provides a balance of semi-modular cabling, 80 Plus Bronze efficiency, and essential hardware protections. It serves as a tidy alternative to entry-level fixed-cable units.
EVGA 500 BA 500W Bronze Power Supply
Best for: budget builds needing stable DC-DC regulation
- Wattage
- 500W
- Efficiency Rating
- 80 PLUS Bronze
- Warranty
- 3 Year
- Dimensions
- 5.51 × 5.9 × 3.38 inches
You get a 500-watt power supply featuring an 80 PLUS Bronze rating with at least 85 percent typical efficiency. It uses a single 12-volt rail paired with DC-DC converters for steady 3.3-volt and 5-volt rails. Built-in safeguards include over-temperature and over-current protection alongside an automatic fan. This unit suits you if you need reliable, basic power delivery with modern DC-DC voltage regulation for an entry-level desktop build.
Pros
- 80 PLUS Bronze certified with at least 85% typical efficiency
- DC-DC converter design for improved 3.3V and 5V stability
- Comprehensive protection suite including OTP, OCP, and SCP
- Active Power Factor Correction included
Cons
- Warranty is limited to 3 years
- No modular cable management listed
Good fit if
- You need an 80 PLUS Bronze unit with DC-DC voltage conversion.
- You want full electrical protection including over-temperature safeguards.
Skip if
- You require efficiency ratings higher than 80 PLUS Bronze.
- You want warranty coverage exceeding 3 years.
Verdict: EVGA 500 BA 500W Bronze Power Supply delivers stable DC-DC regulation and complete circuit protections for standard 500-watt desktop builds. It serves as a dependable option when you prioritize voltage stability and efficiency.
SilverStone 500W Flex ATX Power Supply
Best for: compact Flex ATX small-form-factor builds
- Wattage
- 500W
- Efficiency Rating
- 80 PLUS Gold
- Form Factor
- Flex ATX
- Dimensions
- 5.91 × 3.21 × 1.59 inches
- Weight
- 2.87 pounds
This unit delivers 500W of continuous power in a compact Flex ATX footprint measuring 5.91 by 3.21 by 1.59 inches. It features an 80 PLUS Gold efficiency rating and a Japanese primary capacitor rated for continuous 24/7 operation at 40°C. If you need an alternative to standard ATX power supplies for an ultra-compact small-form-factor chassis or 1U server build, this power supply gives you high efficiency in minimal space.
Pros
- 80 PLUS Gold efficiency certification
- Compact Flex ATX form factor measuring 1.59 inches tall
- 500W continuous output rated at 40°C for 24/7 operation
- Japanese primary capacitor
Cons
- Flex ATX form factor incompatible with standard ATX mounts
- No modular cable management listed
Good fit if
- You build inside a chassis that requires a Flex ATX form factor.
- You need 80 PLUS Gold efficiency in a 500W profile.
- You run continuous 24/7 workloads at ambient temperatures up to 40°C.
Skip if
- You have a standard ATX enclosure with standard mounting brackets.
- You require modular cables to reduce interior clutter.
Verdict: SilverStone 500W Flex ATX Power Supply delivers 80 PLUS Gold efficiency and continuous 500W output in a standard Flex ATX footprint. It provides a reliable alternative when your small-form-factor case cannot accommodate standard ATX power supplies.
SilverStone 500W Gold TFX Power Supply
Best for: compact PCs requiring TFX form factor power
- Wattage
- 500W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fixed Cable
- Fan Size
- 80mm
- Form Factor
- TFX
- Dimensions
- 6.9 × 3.4 × 2.6 inches
This SilverStone unit delivers 500W of continuous power in a compact TFX form factor, making it an alternative if you are building inside slim desktop cases rather than standard ATX chassis. It provides 80 PLUS Gold efficiency, fixed cables, and an 80mm cooling fan rated down to 18 dBA. It suits you if you need reliable 24/7 power at up to 50°C operating temperatures in space-constrained small-form-factor systems.
Pros
- 80 PLUS Gold certified efficiency
- 500W continuous output rated at 50°C for 24/7 operation
- Compact TFX form factor measuring 3.4 by 2.6 by 6.9 inches
- Silent 80mm cooling fan with 18 dBA minimum noise level
Cons
- Fixed cables instead of modular connections
- TFX profile will not fit standard ATX mountings without adapters
- Smaller 80mm fan compared to standard 120mm units
Good fit if
- You build inside a compact case requiring standard TFX dimensions.
- You prioritize 80 PLUS Gold efficiency over basic 80 PLUS White ratings.
- You need a continuous 500W supply rated for 24/7 operation at 50°C.
Skip if
- You have a standard ATX enclosure with regular mounting points.
- You want fully modular or semi-modular cabling to reduce excess wire clutter.
Verdict: SilverStone 500W 80 Plus Gold TFX Power Supply provides high efficiency and continuous output for compact PC enclosures. It fits your build when your chassis specifically requires the slim TFX profile instead of standard ATX dimensions.
Specifications side by side
| Spec | Thermaltake Smart 500W 80 Plus White PSU | EVGA 500 W1 500W Power Supply | Thermaltake Smart 500W 80 Plus White PSU | EVGA 500 BQ 500W Semi-Modular Power Supply | EVGA 500 BA 500W Bronze Power Supply | SilverStone 500W Flex ATX Power Supply | SilverStone 500W Gold TFX Power Supply |
|---|---|---|---|---|---|---|---|
| Wattage | 500W | 500W | 500 Watt | 500W | 500W | 500W | 500W |
| Efficiency Rating | 80 Plus White | 80+ WHITE | 80+ White | 80+ Bronze | 80 PLUS Bronze | 80 PLUS Gold | 80 PLUS Gold |
| Modularity | not specified | not specified | not specified | Semi Modular | not specified | not specified | Fixed Cable |
| ATX Version | Intel ATX 12V 2.3 | not specified | Intel ATX 12 Volt 2.31 | not specified | not specified | not specified | not specified |
| PCIe Connector Type | not specified | not specified | PCI E 6plus2pin | not specified | not specified | not specified | not specified |
| Fan Size | not specified | not specified | 120mm | 120 millimeter | not specified | not specified | 80mm |
| Warranty | not specified | not specified | 5 Year | 3 Year | 3 Year | not specified | not specified |
| Form Factor | not specified | not specified | ATX | not specified | not specified | Flex ATX | TFX |
| Power Factor Correction | not specified | not specified | Active PFC | not specified | not specified | not specified | not specified |
| Size | 500W | 500W | 500W | 500W | 500W | 500W | 500W |
| Dimensions | 9.84 × 7.87 × 4.33 inches | 5.51 × 5.91 × 3.35 inches | 8.9 × 4 × 7 inches | 5.51 × 5.91 × 3.35 inches | 5.51 × 5.9 × 3.38 inches | 5.91 × 3.21 × 1.59 inches | 6.9 × 3.4 × 2.6 inches |
| Weight | 6.88 ounces | 4 pounds | 3.8 pounds | 1.1 pounds | not specified | 2.87 pounds | not specified |
| Model | PS-SPD-0500NPCWJP-W | 100-W1-0500-K3 | PS-SPD-0500NPCWUS-W | 110-BQ-0500-K1 | 100-BA-0500-K1 | not specified | SST-TX500-G |
| Color | not specified | Black | Black | not specified | not specified | not specified | black (lead-free paint) |
If you require mobility equipment with this wattage rating, specifications for the best power wheelchairs with 500W outline motor capacities.
Frequently asked questions
Which 500W alternative offers semi-modular cabling?
The EVGA 500 BQ provides semi-modular cabling, allowing you to attach only the peripheral power cords you actually need. This design leaves the main motherboard connections fixed while letting you detach surplus cables to keep your case interior clean. In addition to detachable cables, the unit upgrades efficiency to an 80 Plus Bronze level and includes hardware protections for standard desktop builds.
What alternative should you choose for small-form-factor Flex ATX cases?
The SilverStone 500W Flex ATX power supply fits cases built specifically for compact Flex ATX components. Measuring 3.21 inches wide, 1.59 inches high, and 5.91 inches long, it slips into narrow chassis spaces where standard ATX power supplies physically cannot mount. It also increases efficiency over standard entry-level models by carrying an 80 Plus Gold rating while delivering continuous 500-watt output.
How does 80 Plus Bronze compare to the baseline 80 Plus White rating?
An 80 Plus Bronze unit converts AC wall power to DC PC power with less wasted heat than an 80 Plus White model. Higher efficiency means the power supply draws less power from your wall outlet during normal operation. Units such as the EVGA 500 BA and EVGA 500 BQ deliver Bronze-level efficiency, providing a practical efficiency upgrade over baseline 80 Plus White options.
Which alternative fits thin enclosures requiring a TFX power supply?
The SilverStone SST-TX500-G matches cases designed around the elongated TFX form factor. It measures 3.4 inches wide, 2.6 inches high, and 6.9 inches long, allowing it to fit slim home-theater or low-profile desktop cases. Alongside its compact form factor, this model provides continuous 500-watt output and features an 80 Plus Gold efficiency certification to minimize excess heat generation inside tight chassis spaces.
What is the benefit of DC-DC regulation in units like the EVGA 500 BA?
DC-DC regulation converts major voltage rails independently, producing tighter voltage stability for modern PC hardware under uneven loads. In basic power supplies, a heavy load on the 12-volt rail can cause secondary 5-volt or 3.3-volt rails to fluctuate. The EVGA 500 BA uses DC-DC regulation to isolate these rails, keeping voltage output steady and preventing instability during sudden workload changes on your components.
Can you install these 500W power supplies in any standard PC case?
No, physical compatibility depends entirely on the form factor supported by your computer case. Models like the EVGA 500 BA and EVGA 500 BQ adhere to standard ATX dimensions and install into conventional mid-tower or mini-tower enclosures. However, compact units like the SilverStone Flex ATX and TFX models require specialized chassis cutouts and mounting brackets designed specifically for those smaller dimensions.
Is a 500W power supply enough for an entry-level gaming PC?
Yes, a 500W power supply provides sufficient continuous wattage for entry-level gaming systems with mainstream components. Basic builds featuring a moderate processor and a mid-range graphics card generally operate well within a 300 to 450-watt power envelope. Choosing a 500-watt alternative like the EVGA 500 BA or EVGA 500 BQ delivers stable power delivery while leaving comfortable headroom for standard storage drives and cooling fans.