Cooler Master GX 750 W Power Supply Review


GX is the new mainstream power supply series from Cooler Master that is arriving on the market today, so far featuring 550 W, 650 W and 750 W models. Let’s see if the 750 W model is a good buy.

GX series is manufactured by Seventeam. Keep in mind that Cooler Master uses several different vendors, so not all power supplies from them are manufactured by Seventeam.

Cooler Master GX 750 W power supplyFigure 1: Cooler Master GX 750 W power supply.

Cooler Master GX 750 W power supplyFigure 2: Cooler Master GX 750 W power supply.

Cooler Master GX 750 W is very short, especially for a 750 W product, being only 5 ½” (140 mm) deep, using a 120 mm fan on its bottom and active PFC circuit, of course.

Being a mainstream product, the reviewed power supply doesn’t have a modular cabling system. All cables have nylon sleevings, that come from inside the power supply housing.

The cables included are:

  • Main motherboard cable with a 20/24-pin connector, 19 ¼” (49 cm) long.
  • One cable with two ATX12V connectors that together form one EPS12V connector, 24” (61 cm) long.
  • Four cables with one six/eight-pin connector for video cards each, 20” (51 cm) long.
  • Two cables with four SATA power connectors each, 17 ¾” (45 cm) to the first connector, 4 ¼” (11 cm) between connectors.
  • One cable with one SATA power connector, three standard peripheral connectors and one floppy disk drive power connector, 17 ¾” (45 cm) to the first connector, 5 7/8” (15 cm) between connectors.

This configuration is very good for a 750 W product, providing four connectors for video cards, allowing you to connect two video cards that require two power connectors each.

Cooler Master GX 750 W power supplyFigure 3: Cables.

All cables use 18 AWG wires, which is the minimum recommended, but the main motherboard cable uses thicker 16 AWG wires for the +3.3 V output (orange wires), which is great.

Now let’s take an in-depth look inside this power supply.

Author: Gabriel Torres

Gabriel Torres is a Brazilian best-selling ICT expert, with 24 books published. He started his online career in 1996, when he launched Clube do Hardware, which is one of the oldest and largest websites about technology in Brazil. He created Hardware Secrets in 1999 to expand his knowledge outside his home country.

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