CORSAIR SF750 (2024) Fully Modular Low Noise 80 Plus Platinum ATX Power Supply – 3.1 Compliant – PCIe 5.1 Ready – SFX-to-ATX Bracket Included – Black
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A 750-watt 80 Plus Platinum SFX PSU with ATX 3.1 and PCIe 5.1, designed for high-performance compact PC builds.
This SFX 750-watt 80 Plus Platinum PSU is a strong fit for high-performance small form factor builds. Its ATX 3.1 compliance and PCIe 5.1 readiness ensure compatibility with the latest components, while the compact size and quiet operation are crucial for SFF cases.
If 750 watts isn't enough for your specific high-end GPU or CPU combination, look for the SF850 or SF1000 models in the same series.
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Pros
- Delivers 750 watts of 80 PLUS Platinum-rated power in a compact SFX form-factor.
- Compliant with ATX 3.1 power standard and PCIe 5.1 ready, supporting modern high-power GPUs.
- Fully modular design with Type-5 Micro-Fit PSU connectors allows for tidy cable management in small cases.
- 92mm PWM cooling fan with fluid dynamic bearing provides quiet operation, including Zero RPM Mode at low loads.
- Built with 105°C rated Japanese capacitors for unwavering power delivery and reliability.
- Includes an SFX-to-ATX bracket for broader case compatibility.
Cons
- The price point is higher compared to ATX PSUs of similar wattage and efficiency.
- Some users report the included cables can be stiff, making routing challenging in extremely tight SFF cases.
- Only includes two 8-pin GPU cables, which might be insufficient for some older high-end GPUs requiring three 8-pin connectors without a 12VHPWR/12V-2x6 adapter.
- Fan noise is marginally louder (around 1.5dBa average) than the previous SF750 model, though still quiet.
Dimension Scores
Achieves 80 PLUS Platinum certification at 750 watts, delivering high power efficiency even under demanding loads.
Features a 92mm PWM fan with fluid dynamic bearings and Zero RPM Mode, resulting in very low noise output, even under load.
Constructed with 105°C rated Japanese capacitors and an ATX 3.1 compliant design, indicating high-quality components and robust engineering.
Fully modular design with flexible, Type-5 Micro-Fit connectors simplifies cable routing and reduces clutter in compact builds.
Best For
- Small Form Factor (SFF) PC builds that require high wattage and efficiency.
- High-performance SFF systems utilizing power-hungry GPUs like the NVIDIA 40-series.
- Users prioritizing quiet operation in a compact power supply.
- New PC builds requiring ATX 3.1 and PCIe 5.1 power standards.
Not Recommended For
- Budget PC builds where cost per watt is the primary concern.
- Large ATX cases where the SFX form factor offers no space-saving advantage.
- Systems with older GPUs that specifically require three 8-pin PCIe power connectors and do not use 12VHPWR/12V-2x6.
Watch Out For
- The included cables, while flexible, can be stiff for some users, making cable management in very cramped SFF cases a struggle.
- If your GPU requires three 8-pin PCIe power connectors and doesn't use the 12V-2x6 standard, the included two 8-pin cables might leave you short.
- Expect to pay a premium for this SFX unit compared to larger ATX power supplies with similar wattage and Platinum efficiency.
Full Specifications
| ASIN | B0D45QCZHX |
| Brand | Corsair |
| Color | Black |
| Series | SF750 |
| Voltage | 120 Volts |
| Wattage | 750 watts |
| Model Name | SF750 |
| Form Factor | SFX |
| Item Weight | 2.09 pounds |
| Manufacturer | Corsair |
| Connector Type | ATX |
| Cooling Method | Fan-based (PWM-controlled) |
| Output Wattage | 750.0 |
| Item model number | CP-9020284-NA |
| Compatible Devices | Monitor |
| Product Dimensions | 4.92 x 3.94 x 2.5 inches |
| Item Dimensions LxWxH | 4.92 x 3.94 x 2.5 inches |
| Item dimensions L x W x H | 4.92 x 3.94 x 2.5 inches |
What Buyers Say
Users are consistently impressed with how much power Corsair packed into such a small SFX unit, especially its ATX 3.1 and PCIe 5.1 readiness for new GPUs. The fan stays incredibly quiet, often running in Zero RPM mode, which is a huge plus for SFF builds where noise can be an issue. While the price is a common point of discussion, most feel the build quality and performance justify the investment for a compact, high-end system. Some folks did mention the cables could be a bit stiff for super tight routing, and the number of 8-pin GPU connectors might be a limitation for specific older cards.
“Man, this thing is tiny but it pushes serious power for my 4070 Ti Super, and I literally can't hear it running, even when gaming hard. Worth every penny for my ITX build.”
Common Praise
- Stays silent even under full GPU load.
- Compact SFX form factor is perfect for small cases.
- ATX 3.1 and PCIe 5.1 compliance future-proofs builds.
- High efficiency with 80 PLUS Platinum rating.
- Build quality feels premium with Japanese capacitors.
- Fully modular cables make installation and management easier.
Common Complaints
- The price is a significant investment for a 750W PSU.
- Cables can be stiff, making routing challenging in very small enclosures.
- Only two 8-pin GPU cables might limit compatibility with older GPUs needing three 8-pins.
- Fan is marginally louder than the previous SF750 model, though still quiet.
Ownership Tips
- The Zero RPM fan mode works as advertised, keeping the system completely silent during light use.
- Handles transient power spikes from high-end GPUs without issue, preventing system crashes.
- The included SFX-to-ATX bracket is useful for initial testing in a larger case before moving to SFF.
- Cable flexibility, while generally good, can still be a challenge in cases with extremely limited space behind the motherboard tray.
- The power delivery remains stable even under sustained high loads, with minimal voltage drop on the 12V rails.
Frequently Asked Questions
Is the CORSAIR SF750 (2024) compatible with NVIDIA 40-series GPUs?
Yes, the 2024 model is PCIe 5.1 ready and ATX 3.1 compliant, meaning it supports the 12V-2x6 connector required by modern high-performance GPUs like the NVIDIA 40-series.
Does this PSU include an SFX-to-ATX bracket?
Yes, an SFX-to-ATX bracket is included in the box, allowing you to install this SFX power supply in larger ATX cases if needed.
How quiet is the SF750 (2024) during operation?
It features a 92mm PWM fan with a fluid dynamic bearing and Zero RPM Mode, keeping it silent under low loads and very quiet even during full GPU load. Some tests show it's marginally louder than the previous SF750, but still exceptionally quiet.
What kind of capacitors does this power supply use?
The CORSAIR SF750 (2024) is built exclusively with 105°C rated Japanese capacitors, contributing to its reliability and stable power delivery.
Are the cables modular and flexible?
Yes, it is fully modular with Type-5 Micro-Fit PSU connectors and flexible cabling, which helps with tidy cable management, especially in small cases.
Buying Guide
When you're looking at a power supply, especially for a compact PC, you need to think about more than just wattage. The 'form factor' (like SFX here) dictates if it'll even fit in your case. 'Efficiency rating' (80 Plus Platinum) tells you how much power it wastes as heat, which is a big deal for smaller, hotter builds. And for newer graphics cards, 'ATX 3.1' and 'PCIe 5.1' compliance means it's ready for those new power connectors and won't trip up under sudden power demands.
wattage (750 watts)
This is the total power your PSU can deliver. Think of it like the horsepower of a car; more watts means it can handle more powerful components, especially your CPU and graphics card, without struggling.
form_factor (SFX)
This refers to the physical size of the power supply. SFX units are much smaller than standard ATX PSUs, making them essential for compact Mini-ITX or Small Form Factor (SFF) cases where every cubic inch counts.
80 PLUS Platinum Rated
This is an efficiency certification. Platinum means the PSU converts at least 89% of AC power into DC power at 100% load, and 92% at 50% load. Higher efficiency means less wasted energy as heat, which is crucial for keeping SFF builds cool and your electricity bill lower.
ATX 3.1 Compliant & PCIe 5.1 Ready
These are the latest power standards for PC components. ATX 3.1 ensures the PSU can handle rapid power spikes from modern CPUs and GPUs, preventing system instability. PCIe 5.1 readiness means it has the necessary 12V-2x6 connector for the newest, most power-hungry graphics cards, so you don't need clunky adapters.
Alternatives
If this SFX unit is too pricey or you have a larger case, look for an ATX form factor PSU with similar wattage and 80 Plus Gold or Platinum efficiency. If you need more power for an extreme build, search for SFX PSUs in the 850W to 1000W range that are also ATX 3.1 and PCIe 5.1 compliant.
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