CORSAIR RM750e (2025) Fully Modular Low-Noise ATX Power Supply with 12V-2x6 Cable – ATX 3.1 & PCIe 5.1 Compliant, Cybenetics Gold Efficiency, 105°C-Rated Capacitors, Modern Standby Mode – Black
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AI Verdict
A 750W fully modular ATX 3.1 PSU with Cybenetics Gold efficiency, built for quiet operation and modern GPU power needs.
This 750W PSU is a strong fit for modern gaming PCs, offering ATX 3.1 and PCIe 5.1 compliance with a native 12V-2x6 cable for current GPUs. Its fully modular design and compact 140mm casing simplify installation and cable management.
If you plan on running the absolute highest-end GPUs or extreme overclocking, consider a PSU with 850W or more for increased power headroom.
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Pros
- Fully modular cabling allows connecting only necessary cables, simplifying builds.
- ATX 3.1 and PCIe 5.1 compliant with a native 12V-2x6 cable supports current demanding GPUs.
- 120mm rifle bearing fan with Zero RPM mode keeps fan noise down at lower loads.
- 105°C-rated industrial-grade capacitors deliver steady, reliable power.
- Modern Standby compatibility enables fast wake-from-sleep times and better low-load efficiency.
- Cybenetics Gold efficiency rating means up to 90% power efficiency.
Cons
- Fan noise can be noticeable at high loads.
- No LED lighting for aesthetic customization.
- The 12V-2x6 cable connects to two 8-pin PCIe connectors on the PSU side, not a single dedicated port.
- 750W might be limiting for future ultra-high-end GPU upgrades.
Dimension Scores
Offers 750W with Cybenetics Gold efficiency and 105°C-rated capacitors for stable power delivery.
Features a 120mm rifle bearing fan with Zero RPM mode for quiet operation at low loads, though fan noise can occur at high loads.
Utilizes industrial-grade, 105°C-rated capacitors and a robust LLC topology with DC-DC conversion for reliability.
Fully modular design allows for connecting only necessary cables, significantly reducing clutter.
Best For
- PC builds with modern GPUs requiring ATX 3.1 and PCIe 5.1 power.
- Systems prioritizing clean aesthetics and minimal cable clutter due to fully modular design.
- Quiet PC builds, especially at lower power draw with Zero RPM fan mode.
- Users wanting fast system wake-from-sleep times with Modern Standby.
Not Recommended For
- Budget builds where ATX 3.1 and PCIe 5.1 compliance aren't critical.
- Systems requiring more than 750W for extreme overclocking or multi-GPU setups.
- Users who want RGB lighting on their PSU.
Watch Out For
- The 12V-2x6 cable uses two 8-pin PCIe connectors on the PSU side, which some users might find less streamlined than a single dedicated 12V-2x6 port on the PSU itself.
- Despite the low-noise claims, the fan can become audible under high system loads.
- While 750W is sufficient for many builds, it might not provide enough headroom for future generations of power-hungry GPUs, potentially requiring an upgrade sooner.
Full Specifications
| ASIN | B0DPR6X7JX |
| Brand | Corsair |
| Color | Black |
| Series | CORSAIR RM750e |
| Wattage | 750 watts |
| Model Name | CORSAIR RM750e |
| Form Factor | ATX |
| Item Weight | 3.3 pounds |
| Manufacturer | Corsair |
| Connector Type | ATX |
| Cooling Method | Air |
| Output Wattage | 750 Watts |
| Item model number | CP-9020295-NA |
| Compatible Devices | Monitor |
| Product Dimensions | 5.91 x 5.51 x 3.35 inches |
| Item Dimensions LxWxH | 5.91 x 5.51 x 3.35 inches |
| Item dimensions L x W x H | 5.91 x 5.51 x 3.35 inches |
What Buyers Say
The 2025 RM750e is positioned as a modern, compliant power supply, but user feedback on the specific 2025 model is limited in search results. While it boasts ATX 3.1 and PCIe 5.1 readiness with a native 12V-2x6 cable, some technical reviews point to potential fan noise under heavy system loads. Its fully modular design and compact 140mm casing are consistently highlighted as benefits for PC builders. The use of 105°C-rated capacitors and Cybenetics Gold efficiency underscore its build for stable power delivery.
“I just wanted a PSU that wouldn't blow up my new 40-series card and this one has the right cable, but man, when I'm really pushing it, I can hear that fan kick in more than I expected.”
Common Praise
- Fully modular cables make installation and cable routing much cleaner.
- Native 12V-2x6 cable directly supports modern GPUs without adapters.
- Compact 140mm length fits easily into most PC cases.
- Zero RPM fan mode keeps the system near-silent during light use.
- ATX 3.1 and PCIe 5.1 compliance future-proofs the build for new hardware.
- 7-year warranty provides extended peace of mind.
Common Complaints
- Fan can become audible when the system is under high load.
- No integrated RGB or LED lighting for aesthetic builds.
- The 12V-2x6 cable connects to two 8-pin PCIe ports on the PSU, not a single dedicated port.
- 750W might be insufficient for future ultra-high-end GPU upgrades.
Ownership Tips
- The fully modular cables really do make a difference for a clean build, especially in smaller cases.
- The Zero RPM mode is clutch for quiet browsing and light gaming, but the fan does spin up under heavy load.
- The 12V-2x6 cable is a lifesaver, no need for clunky adapters.
- The compact size leaves more room for cable management behind the PSU.
- Modern Standby actually works, my PC wakes up way faster now.
Frequently Asked Questions
Is this PSU compatible with older motherboards?
Yes, it's an ATX form factor PSU, so it will work with most standard ATX motherboards, even if they don't support ATX 3.1 directly.
Does it come with all necessary cables?
Yes, as a fully modular unit, it includes all the cables you'd typically need, including a native 12V-2x6 cable for modern GPUs.
What does Cybenetics Gold efficiency mean?
It means the PSU converts at least 90% of AC power to DC power at typical loads, wasting less energy as heat and potentially saving on electricity bills.
Can this power a high-end GPU like an RTX 4080 Super?
A 750W PSU can power many high-end GPUs, including an RTX 4080 Super, especially with its ATX 3.1 and PCIe 5.1 compliance and 12V-2x6 cable. Always check your specific GPU's recommended PSU wattage.
What is Modern Standby Mode?
Modern Standby allows your PC to wake up from sleep much faster, similar to a smartphone, and improves efficiency at very low power loads.
Is this PSU quiet?
It features a 120mm rifle bearing fan with a Zero RPM mode for near-silent operation at lower loads, but some users report fan noise at high system loads.
Buying Guide
When picking a power supply, you're essentially choosing the heart of your PC. It needs to deliver stable power to all your components without failing or making too much noise. You want enough wattage for your current setup and a little headroom for future upgrades, plus good efficiency to avoid wasting electricity and generating excess heat.
Wattage
This is how much power the PSU can deliver. Think of it like the horsepower of a car; you need enough to get where you're going, but too much is just wasted money if you don't use it.
Modularity (Fully Modular)
This refers to how many cables are detachable. Fully modular means you only plug in the cables you need, like having custom-fit clothes instead of a one-size-fits-all outfit, making your PC interior much tidier.
ATX 3.1 & PCIe 5.1 Compliance
These are the latest standards for power delivery, especially important for new, power-hungry graphics cards. It ensures your PSU can handle sudden power spikes from your GPU without issues, like a strong electrical grid preventing blackouts.
Efficiency Rating (Cybenetics Gold)
This tells you how much of the power drawn from the wall actually reaches your components, versus how much is lost as heat. Gold means it's very efficient, like a fuel-efficient car that saves you money on gas.
Alternatives
If you're building a system with multiple high-end GPUs or plan on extreme overclocking, look for PSUs with 850W or higher wattage. For absolute silence under all loads, research models with passive cooling or larger, slower fans.
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