Name: 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
Brand: Corsair
SKU: B0D9BZ2BDB
Price: 117.95 GBP
Availability: InStock
Rating: 4.8 (52 reviews)

Question 1

How important is ATX 3.1 compliance for a new PC build?

Accepted Answer

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.

Question 2

Can a PSU coil whine even when the PC is shut down?

Accepted Answer

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.

Question 3

What is the benefit of a fully modular power supply?

Accepted Answer

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.

Question 4

Is the Corsair RM750x suitable for high-end gaming PCs?

Accepted Answer

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.

Question 5

How does Cybenetics Gold efficiency compare to other ratings?

Accepted Answer

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.

Question 6

Why is a 10-year warranty a good sign for a PSU?

Accepted Answer

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.

AethelGem

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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