6 Best Alternatives to the SilverStone 750W Gold SFX Power (2026)
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The Silverstone 750W Gold SFX Power Supply delivers solid performance for compact builds. It features 80 Plus Gold efficiency and a fully modular design. You might look for Silverstone Technology SX750 Gold 80 alternatives if you need a different form factor. Standard ATX cases cannot fit the small SFX dimensions. You may also prefer higher wattage options for more powerful hardware.
The alternatives listed here share key specifications with the original unit. All selected products offer fully modular cabling and high efficiency ratings. Some provide larger ATX form factors for standard cases. Others offer higher wattage like 850W for future upgrades. We chose these models because their specs overlap with the Silverstone SX750 Gold. This ensures you find a compatible replacement that meets your specific size and power requirements.
How alternatives differ from Silverstone
Corsair RM750x Shift White 750W ATX Power Supply
The Corsair RM750x Shift is an ATX unit, so it will not fit in compact SFX cases. It measures 6.3 inches long, which is significantly larger than the Silverstone’s 3.94-inch depth. You gain side-mounted connectors and PCIe 5.1 support, which simplifies cable management in standard towers. It shares the 80 Plus Gold efficiency rating and fully modular design. Choose this if you are building in a standard case and need modern connector flexibility rather than a small footprint.
EVGA SuperNOVA 750 G2 750W Power Supply
The EVGA SuperNOVA 750 G2 uses the standard ATX form factor, making it incompatible with SFX chassis. It is much heavier at 6.6 pounds compared to the Silverstone’s 4.45 pounds. The unit offers a 10-year warranty, which is longer than the standard coverage for many competitors. It maintains 80 Plus Gold efficiency and full modularity. This option suits builders prioritizing long-term reliability and standard sizing over the compact dimensions required for small form factor PCs.
SilverStone 700W SFX 80 Plus Gold Power Supply
This SilverStone model is also an SFX unit, so it fits the same cases. However, it provides only 700W of power, which is 50W less than the original. It weighs 3.09 pounds, making it lighter than the 750W version. It shares the 80 Plus Gold efficiency and fully modular design. Pick this alternative if your build requires less power and you want to save a small amount of weight while keeping the same compact form factor and efficiency standards.
Thermaltake Toughpower iRGB Plus 750W Gold PSU
The Thermaltake Toughpower iRGB Plus is an ATX power supply, so it does not fit SFX cases. It includes RGB lighting and app control features, which the SilverStone lacks. It shares the 80 Plus Gold efficiency rating and fully modular cable design. The unit weighs 5 pounds and measures 6.3 inches in length. Choose this if you are building in a standard ATX case and want customizable lighting effects alongside efficient power delivery for mainstream components.
EVGA SuperNOVA 850 GM SFX Power Supply
The EVGA SuperNOVA 850 GM keeps the SFX form factor, so it fits in the same compact cases. It provides 850W of power, which is 100W more than the Silverstone 750W. It weighs 4 pounds, slightly less than the original. It shares the fully modular design and offers a 10-year warranty. Select this if you need higher wattage headroom for more powerful GPUs while still requiring the small physical dimensions that the original SilverStone unit provides.
SilverStone 750W Platinum SFX PSU
This SilverStone unit is also SFX sized, ensuring compatibility with the same small cases. It achieves 80 Plus Platinum efficiency, which is higher than the original’s Gold rating. It provides the same 750W output and fully modular design. The physical dimensions are nearly identical, with a 3.94-inch length. Choose this alternative if you want the highest possible efficiency rating for your compact build without sacrificing wattage or changing your case requirements.
Quick picks
Our 7 picks
SilverStone 750W Gold SFX Power Supply
Best for: compact SFX PC builds
- Wattage
- 750W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Fully Modular
- Fan Size
- 92mm
- Form Factor
- SFX
- Dimensions
- 3.94 × 4.92 × 2.5 inches
View on Amazon: SilverStone 750W Gold SFX Power Supply Affiliate link
This Silverstone unit delivers 750W in a compact SFX form factor. It features a 92mm fan and 80 Plus Gold efficiency. The design uses all Japanese capacitors and a single +12V rail. You get fully modular flat cables with 180-degree SATA connectors. This makes it a strong choice for small form factor builds needing reliable power.
Pros
- 750W output in SFX size
- 80 Plus Gold efficiency rating
- Fully modular flat cables
- Single +12V rail design
- 180-degree angled SATA connectors
Cons
- 92mm fan is smaller than standard 120mm units
- Weight is 4.45 pounds
- Dimensions are 4.92 x 3.94 x 2.5 inches
Good fit if
- You need a compact SFX power supply
- You want fully modular cabling for clean builds
- You prefer 80 Plus Gold efficiency
Skip if
- You require an ATX form factor
- You need more than 750W of power
- You prefer a larger 120mm fan for silence
Verdict: Silverstone SX750 Gold 750W SFX fits small cases where 750W is sufficient. It offers solid efficiency and clean cabling for compact PCs.
Corsair RM750x Shift White 750W ATX Power Supply
Best for: Standard ATX cases needing clean cable management
- Wattage
- 750W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- Fan Size
- 140mm
- PCIe Version
- PCIe 5.1
View on Amazon: Corsair RM750x Shift White 750W ATX Power Supply Affiliate link
The Corsair RM750x Shift is a fully modular ATX power supply rated at 750W with 80 Plus Gold efficiency. It features side-mounted modular connectors for easier cable management and supports ATX 3.1 and PCIe 5.1 standards. The unit uses a 140mm fan and Japanese electrolytic capacitors for reliability. This model suits builders who prioritize clean cable routing and modern GPU compatibility in standard ATX cases.
Pros
- Side-mounted modular connectors for easier access
- ATX 3.1 and PCIe 5.1 certification
- 140mm fluid dynamic bearing fan
- Fully modular micro-fit connectors
Cons
- ATX form factor does not fit SFX cases
- Heavier than SFX alternatives at 3.75 pounds
- Larger dimensions than compact SFX units
Good fit if
- You are building in a standard ATX case
- You need side-mounted connectors for cleaner cable management
- You require ATX 3.1 support for modern GPUs
Skip if
- You are building in a small form factor case
- You need an SFX or SFX-L form factor
- You require a compact 120mm fan design
Verdict: Corsair RM750x Shift ATX 750W is a robust ATX power supply for standard cases, offering side-mounted connectors and modern PCIe 5.1 support for builders who need clean cable routing.
EVGA SuperNOVA 750 G2 750W Power Supply
Best for: standard ATX builds needing reliability
- Wattage
- 750W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- Fan Size
- 140mm
- Warranty
- 10 Year
- Dimensions
- 7 × 5.9 × 3.4 inches
View on Amazon: EVGA SuperNOVA 750 G2 750W Power Supply Affiliate link
The EVGA SuperNOVA 750 G2 delivers 750W of power with 80 PLUS Gold certification. It uses a 140mm double ball bearing fan for cooling. The unit is fully modular to manage cable clutter. Japanese brand capacitors support long-term reliability. This ATX power supply suits builders who want high efficiency and a 10-year warranty.
Pros
- 80 PLUS Gold efficiency up to 90%
- 10-year warranty coverage
- Fully modular cable design
- 140mm double ball bearing fan
- Japanese brand capacitors
Cons
- ATX form factor limits use in small cases
- Heavier at 6.6 pounds than SFX options
- Lacks RGB lighting features
Good fit if
- You need 750W of reliable power
- You prefer a 10-year warranty
- You build in standard ATX cases
Skip if
- You require an SFX form factor
- You want RGB lighting effects
- You need a lighter power supply
Verdict: EVGA SuperNOVA 750 G2 750W Gold is a solid choice for standard ATX builds seeking efficiency and long-term support. It fits users who prioritize reliability over compact size.
SilverStone 700W SFX 80 Plus Gold Power Supply
Best for: Small form factor builds prioritizing efficiency
- Wattage
- 700W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- Fan Size
- 92mm
- Form Factor
- SFX
- Dimensions
- 4.92 × 3.94 × 2.5 inches
View on Amazon: SilverStone 700W SFX 80 Plus Gold Power Supply Affiliate link
This Silverstone unit delivers 700W of power in a compact SFX form factor. It features an 80 PLUS Gold efficiency rating and a fully modular cable design. The 92mm fan ensures silent operation with a minimum noise level of 18 dBA. Japanese capacitors support stable voltage regulation. It suits users needing reliable power in small cases without ATX mounting compatibility.
Pros
- 80 PLUS Gold efficiency rating
- Fully modular cable design
- Quiet 92mm FDB fan
- All Japanese capacitors
Cons
- 700W output is lower than the 750W and 850W alternatives
- SFX form factor lacks ATX mounting hole compatibility
- No mention of RGB lighting or smart features
Good fit if
- You need a compact SFX power supply for a small form factor case
- You prioritize efficiency and quiet operation over maximum wattage
- You want fully modular cables to reduce clutter
Skip if
- You require 750W or higher wattage for high-end components
- You have an ATX case that requires standard ATX mounting holes
- You want RGB lighting or smart monitoring features
Verdict: Silverstone 700W SFX Gold PSU is a solid choice for small builds where efficiency and silence matter more than raw power. It fits users who need SFX compatibility and do not require the higher output of the 750W or 850W options on this list.
Thermaltake Toughpower iRGB Plus 750W Gold PSU
Best for: RGB enthusiasts with ATX cases
- Wattage
- 750W
- Efficiency Rating
- 80+ Gold
- Modularity
- Fully Modular
- ATX Version
- ATX12V V2.4
- Fan Size
- 140mm
- Warranty
- 10 Year
View on Amazon: Thermaltake Toughpower iRGB Plus 750W Gold PSU Affiliate link
This 750W ATX power supply delivers 80 Plus Gold efficiency in a fully modular design. It features a 140mm RGB fan and smart zero fan technology that starts the fan at 30% load. You can control lighting and fan speed via a mobile app or Alexa. The unit includes a 10-year warranty and supports ATX12V V2.4 standards for modern builds.
Pros
- 80 Plus Gold efficiency rating
- Fully modular cable design
- 10-year warranty coverage
- App and Alexa control
- 140mm RGB fan included
Cons
- Standard ATX form factor
- Requires software for full features
- Heavier at 5 pounds
Good fit if
- You need 750W of power
- You want app-based control
- You prefer RGB lighting
Skip if
- You need an SFX size
- You want a silent fan
- You dislike software setup
Verdict: Thermaltake Toughpower iRGB Plus 750W Gold fits users who want app control and RGB lighting in a standard ATX case. It offers a long warranty and efficient power delivery for mainstream builds.
EVGA SuperNOVA 850 GM SFX Power Supply
Best for: Users needing 850W in SFX size
- Wattage
- 850W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- Warranty
- 10 Year
- Form Factor
- SFX
- Dimensions
- 4.92 × 4.92 × 2.48 inches
View on Amazon: EVGA SuperNOVA 850 GM SFX Power Supply Affiliate link
This EVGA unit delivers 850W of power in an SFX form factor, making it a strong alternative to the 750W Silverstone. It features 80 PLUS Gold efficiency and fully modular cabling. The included ATX bracket allows flexibility for different case sizes. Japanese capacitors and an FDB fan support reliability. It suits users needing higher wattage than the standard 750W options.
Pros
- 850W output capacity
- 80 PLUS Gold efficiency rating
- Fully modular cable design
- Includes ATX mounting bracket
- 10-year warranty coverage
Cons
- Heavier build at 4 pounds
- Larger dimensions than standard SFX units
- Higher wattage may exceed small case limits
Good fit if
- You need more than 750W of power
- You want a fully modular SFX supply
- Your case supports the included ATX bracket
Skip if
- You require the smallest possible SFX footprint
- You only need 750W or less
- Your case cannot accommodate the ATX bracket
Verdict: EVGA SuperNOVA 850 GM 850W SFX offers higher wattage than the list average. It fits users who need extra power headroom in a compact form factor.
SilverStone 750W Platinum SFX PSU
Best for: compact high-efficiency builds
- Wattage
- 750W
- Efficiency Rating
- 80 Plus Platinum
- Modularity
- Fully Modular
- Fan Size
- 92mm
- Form Factor
- SFX
- Dimensions
- 3.94 × 4.92 × 2.5 inches
View on Amazon: SilverStone 750W Platinum SFX PSU Affiliate link
This Silverstone unit delivers 750W of power in a standard SFX form factor. It features 80 Plus Platinum efficiency, ensuring high performance with minimal energy waste. The fully modular design lets you connect only the cables you need, reducing clutter inside your case. A 92mm dual ball bearing fan runs silently, starting only when load and temperature require it. All Japanese capacitors support stable operation. This model is ideal for users prioritizing efficiency and compact build quality.
Pros
- 80 Plus Platinum efficiency rating
- 750W output capacity
- Fully modular cable design
- 92mm dual ball bearing fan
- All Japanese capacitors
Cons
- 92mm fan is smaller than standard 120mm or 140mm units
- No mention of smart monitoring or app control
- SFX size may limit airflow in tight cases
Good fit if
- You need high efficiency in a small case
- You want fully modular cables for clean builds
- You prioritize silent operation under light loads
Skip if
- You require ATX form factor compatibility
- You need smart software integration
- You prefer larger fans for passive cooling
Verdict: Silverstone SX750 Platinum 750W SFX suits builders who need top-tier efficiency in a compact SFX chassis. It is a solid choice for small form factor PCs where power delivery and noise levels matter.
Specifications side by side
| Spec | SilverStone 750W Gold SFX Power Supply | Corsair RM750x Shift White 750W ATX Power Supply | EVGA SuperNOVA 750 G2 750W Power Supply | SilverStone 700W SFX 80 Plus Gold Power Supply | Thermaltake Toughpower iRGB Plus 750W Gold PSU | EVGA SuperNOVA 850 GM SFX Power Supply | SilverStone 750W Platinum SFX PSU |
|---|---|---|---|---|---|---|---|
| Wattage | 750W | 750W | 750W | 700W | 750W | 850W | 750W |
| Efficiency Rating | 80 Plus Gold | 80 Plus Gold | 80 PLUS Gold | 80 PLUS Gold | 80+ Gold | 80 PLUS Gold | 80 Plus Platinum |
| Modularity | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular |
| ATX Version | not stated | ATX 3.1 | not stated | not stated | ATX12V V2.4 | not stated | not stated |
| Fan Size | 92mm | 140mm | 140mm | 92mm | 140mm | not stated | 92mm |
| Warranty | not stated | not stated | 10 Year | not stated | 10 Year | 10 Year | not stated |
| Form Factor | SFX | ATX | not stated | SFX | not stated | SFX | SFX |
| PCIe Version | not stated | PCIe 5.1 | not stated | not stated | not stated | not stated | not stated |
| Size | 750W | 750W | 750W | 700W | 750W | 850W | 750W |
| Dimensions | 3.94 × 4.92 × 2.5 inches | 6.3 × 5.91 × 3.39 inches | 7 × 5.9 × 3.4 inches | 4.92 × 3.94 × 2.5 inches | 6.3 × 5.9 × 3.4 inches | 4.92 × 4.92 × 2.48 inches | 3.94 × 4.92 × 2.5 inches |
| Weight | 4.45 pounds | 3.75 pounds | 6.6 pounds | 3.09 pounds | 5 pounds | 4 pounds | not stated |
| Color | not stated | White | not stated | Black?Lead-Free Paint? | Gold | not stated | not stated |
| Model | not stated | CP-9020273-NA | 220-G2-0750-XR | SST-SX700-G | PS-TPI-0750F3FDGU-1 | 123-GM-0850-X1 | PS-SX750-PT-X |
When planning your enclosure layout, compare silverstone technology alta t1 aluminum alternatives to evaluate space and thermal specifications.
Frequently asked questions
Can I use an ATX power supply in a small SFX case?
No. ATX units are significantly larger than SFX power supplies. The Corsair RM750x Shift measures 6.3 inches in length, while the SilverStone SFX model is only 3.94 inches long. You need a unit with the SFX form factor to fit inside compact chassis designed for small builds.
Which alternative offers the highest efficiency rating?
The SilverStone 750W Platinum SFX PSU provides the highest efficiency. It carries an 80 Plus Platinum rating, which exceeds the 80 Plus Gold standard found in most other options on this list. This makes it the best choice for builders prioritizing top-tier power delivery efficiency in a compact size.
Do I need a modular power supply for cable management?
All listed alternatives are fully modular. This design lets you connect only the cables your components require. It reduces clutter inside your case and improves airflow. Whether you choose the Corsair RM750x Shift or the EVGA SuperNOVA 850 GM, you get the flexibility to manage your cabling cleanly.
What is the difference between SFX and ATX form factors?
SFX units are smaller and designed for compact cases, while ATX units fit standard towers. The SilverStone 700W SFX measures 3.94 by 4.92 inches. In contrast, the Corsair RM750x Shift ATX is 6.3 inches long and 5.91 inches wide. Your case determines which form factor you must select.
Is there an SFX option with more than 750 watts of power?
Yes. The EVGA SuperNOVA 850 GM SFX Power Supply provides 850W. It fits in the same compact SFX footprint as the 750W models but offers higher wattage headroom. This option suits users who need extra power for high-end components without sacrificing the small form factor of their build.
Which power supply supports the latest PCIe 5.1 standard?
The Corsair RM750x Shift White supports PCIe 5.1. This feature is relevant for modern graphics cards requiring new power connectors. Since it is an ATX unit, it is best for standard cases. It combines this modern connectivity with side-mounted connectors for cleaner cable routing in larger builds.
Can I find a silent SFX power supply for small builds?
The SilverStone 700W SFX Gold Power Supply is a strong candidate for silent operation. It is designed for small builds where efficiency and silence matter more than raw power. Its 700W output is sufficient for many systems, and the fully modular design helps keep noise and clutter low in tight spaces.