Cooler Master MWE Gold 750 V3 power supply: features, specs and fit

The Cooler Master MWE Gold 750 V3 is a 750-watt, fully modular ATX power supply for desktop PCs. The power supply turns household AC power into the lower DC voltages that every component uses, so it affects stability, noise and which graphics cards you can run. This model adds ATX 3.1 support and a native 90-degree connector for current high-power graphics cards.

80 Plus Gold efficiency

80 Plus Gold is a certification that a power supply meets set efficiency levels at several loads. Cooler Master puts the efficiency at about 90%, meaning around 90% of the power drawn from the wall reaches your components and the remainder is lost as heat. In general, higher efficiency means less wasted energy and less heat for the fan to remove. Cooler Master also says the unit can reach Titanium-level efficiency at light loads in a 115V test.

ATX 3.1 and the 12V-2x6 connector

ATX 3.1 is an updated power supply standard, and the 12V-2x6 connector is its high-power cable for graphics cards. Cooler Master says the cable supports up to 450W to the GPU, and that the connector is angled at 90 degrees. A right-angle plug typically makes it easier to route the cable in a case where the graphics card sits close to the side panel, because it needs less sideways bend. The brand adds that the design improves electrical durability and safety. The title says it is designed ready for graphics cards such as the Nvidia RTX 5070 Ti and AMD RX 9070 XT; check your own card's power connector and requirements.

Full modular cables

Fully modular means all of the cables unplug from the power supply, so you connect only the ones your build needs. This usually makes cable management tidier and improves airflow in the case. Count the connectors you need (CPU, PCIe, SATA and so on) against what is supplied.

Cooling and noise

Cooler Master describes a hexagonal fan cover with 80% airflow intake and a dedicated heat sink for better thermal performance. Smart thermal control and a zero-RPM mode reduce noise: at low loads, the fan typically stops entirely, and it spins up when the unit warms or the load rises. The design uses an APFC half-bridge LLC and DC-to-DC topology, a common arrangement in modern power supplies for stable output.

Size and warranty

The unit measures about 7.1 x 5.9 x 3.4 inches (18 x 15 x 8.6 cm) and weighs 5.7 lb (about 2.6 kg). The title lists a 10-year warranty. The model number is MPX-7503-AFAG-2BUV.

Who it suits

It suits a mid- to high-power gaming or workstation build that needs a single high-power graphics card, and a builder who wants ATX 3.1 cabling and a quiet low-load mode. It is a standard ATX unit, so it fits most ATX cases.

What to check before you buy

• Total power: add up the draw of your processor, graphics card and other parts, and leave headroom.
• GPU connector: check whether your card uses 12V-2x6 or older 8-pin connectors, and whether the cables supplied match.
• Case fit: confirm your case takes a standard ATX power supply of this depth.
• Cable count: make sure there are enough SATA, PCIe and CPU connectors for your parts.
• Mains voltage: check the input range in the manual for your region.
• Installation: follow the manual, and use only the modular cables made for this unit.

The short version

• A 750W fully modular ATX 3.1 power supply from Cooler Master.
• 80 Plus Gold efficiency, with about 90% efficiency listed.
• A native 90-degree 12V-2x6 cable, supporting up to 450W to the GPU.
• Zero-RPM mode, a hexagonal fan cover and a dedicated heat sink.
• A 10-year warranty, according to the listing.

Bloiq is reader-supported. Some links may earn us a commission; it never affects what we write. How we make money.