Single-Board Computers & Accessories
CORSAIR RM750x Fully Modular Low-Noise ATX Power Supply – ATX 3.1 Compliant – PCIe 5.1 Support – Cybenetics Gold Efficiency – Native 12V-2x6 Connector – Black
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View Dealarrow_forward£117.95£134.99
star4.80Based on 52 reviews
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star4.80Based on 52 reviews
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Product Overview
Key features
Fully Modular: Reliable and efficient low-noise power supply with fully modular cabling, so you only have to connect the cables your system needs., Cybenetics Gold-Certified: Rated for up to 91% efficiency, resulting in lower power consumption, less noise, and cooler temperatures., ATX 3.1 Compliant: Compliant with the ATX 3.1 power standard from Intel, supporting PCIe 5.1 and resisting transient power spikes., Native 12V-2x6 Connector: Ensures compatibility with the latest graphics cards with a direct GPU to PSU connection – no adapter necessary., Embossed Cables with Low-Profile Combs: Sleek, ultra-flexible embossed cables look great and make installing and connecting the RMx a breeze..
Key Points
What makes this product stand out
check_circleFully Modular: Reliable and efficient low-noise power supply with fully modular cabling, so you only have to connect the cables your system needs.
check_circleCybenetics Gold-Certified: Rated for up to 91% efficiency, resulting in lower power consumption, less noise, and cooler temperatures.
check_circleATX 3.1 Compliant: Compliant with the ATX 3.1 power standard from Intel, supporting PCIe 5.1 and resisting transient power spikes.
check_circleNative 12V-2x6 Connector: Ensures compatibility with the latest graphics cards with a direct GPU to PSU connection – no adapter necessary.
check_circleEmbossed Cables with Low-Profile Combs: Sleek, ultra-flexible embossed cables look great and make installing and connecting the RMx a breeze.
Expert Analysis
7.5/10Solid Buy
“The Corsair RM750x ATX 3.1 PSU is a worthy investment for high-end PC builds, boasting a 4.8/5 average rating and impressive Cybenetics Gold efficiency. It offers crucial ATX 3.1 and PCIe 5.1 complian”
Pros
- check_circleFuture-proofed with ATX 3.1 and PCIe 5.1 compliance, ensuring compatibility with upcoming high-performance GPUs and resisting transient power spikes.
- check_circleExceptionally quiet operation is highlighted by users, complemented by an effective Zero RPM fan mode that keeps the system silent under light loads.
- check_circlePremium build quality is evident, featuring high-quality Japanese capacitors rated for 105°C and backed by a reassuring 10-year warranty, indicating strong long-term reliability.
- check_circleThe inclusion of a native 12V-2x6 connector simplifies builds for the latest graphics cards, eliminating the need for potentially problematic adapters and providing a direct, stable power path.
Cons
- cancelA small number of users have reported an audible buzzing or coil whine from the PSU, which, in one instance, occurred even when the PC was shut down, suggesting a potential interaction with system power states or BIOS settings that may require troubleshooting.
- cancelWhile offering excellent value for its features, the £117.95 price point places it firmly in the premium tier, making it a significant investment that may be beyond the budget for builders focusing on cost-effectiveness rather than absolute future-proofing.
Frequently Asked Questions
How important is ATX 3.1 compliance for a new PC build?expand_more
ATX 3.1 compliance is increasingly important for new PC builds, especially those featuring high-end graphics cards. It ensures the power supply can reliably handle the significant, short-duration power spikes (transient loads) that modern GPUs can demand, preventing system instability or shutdowns and offering better future compatibility with upcoming hardware releases.
Can a PSU coil whine even when the PC is shut down?expand_more
While uncommon, it is possible for a PSU to exhibit coil whine even when the PC is powered off, provided it is still connected to the mains. This could be related to standby power states or specific power management features within the motherboard and PSU's circuitry interacting. Disconnecting the PSU from the wall socket is the definitive way to rule out any electrical noise from the unit itself.
What is the benefit of a fully modular power supply?expand_more
A fully modular PSU offers significant advantages in cable management. You only connect the cables your specific system requires, reducing internal clutter, improving airflow, and making the build process much cleaner and easier. This is particularly beneficial in smaller PC cases where space is at a premium, such as the NZXT H6 Flow.
Is the Corsair RM750x suitable for high-end gaming PCs?expand_more
Absolutely. The RM750x is an ideal choice for high-end gaming PCs. Its ATX 3.1 compliance, native 12V-2x6 connector, and stable power delivery are designed to support demanding GPUs. Coupled with its quiet operation and premium build quality, it provides a reliable foundation for a powerful gaming rig.
How does Cybenetics Gold efficiency compare to other ratings?expand_more
Cybenetics Gold is a reputable efficiency rating, indicating the PSU converts AC power from the wall into DC power for your components with up to 91% efficiency at typical loads. This is superior to Bronze or Silver ratings, meaning less energy is wasted as heat, leading to a cooler, quieter, and more energy-conscious system compared to lower-efficiency units.
Why is a 10-year warranty a good sign for a PSU?expand_more
A 10-year warranty on a power supply unit is a strong indicator of the manufacturer's confidence in the product's durability and build quality. It suggests that Corsair has used high-quality components, such as the 105°C-rated Japanese capacitors, and a reliable fan assembly, designed to withstand the rigours of continuous operation for a decade.
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