Corsair CX750M CP-9020311-NA 750W ATX 3.1 PCIe 5.1 Power Supply
Product description
For a new gaming PC built around a recent graphics card, the Corsair CX750M (2025) offers 750W of output and a native 12V-2x6 cable. Its ATX 3.1 and PCIe 5.1 support is aimed at newer GPU power connections, while the semi-modular layout lets you leave unused modular cables out of the case.
If your priority is a simpler cable setup, this design has a practical advantage over a fully fixed-cable unit. If you need a different power level or form factor, those requirements matter more than the modular layout.
Where it shines
The native 12V-2x6 lead means the listed GPU connection can be made without an adapter. The product information names Nvidia RTX 50-series and older 40-series cards as compatible examples, check the requirements for your specific graphics card and build rather than treating that as a guarantee for every configuration. The 750W rating and ATX form factor make the CX750M a candidate for a desktop build that calls for those specifications.
Cable management is the other useful distinction. The main power cables stay attached, while the remaining cables are modular, so you can connect only the extras your components need. That can make routing less cluttered than with a fully fixed-cable supply. A 120mm fan is described as quiet under low and medium loads, though the product information does not promise the same noise level at full power. Cybenetics Bronze certification and stated efficiency of up to 85% provide useful context when comparing power supplies, but they do not establish how efficiently it will run in every build.
Quick overview
- Name: Corsair CX750M (2025)
- Type: ATX power supply
- Power: 750W
- Connectivity: ATX 3.1, PCIe 5.1, native 12V-2x6 cable
- Dimensions: 14 x 15.01 x 9.5 cm
- Weight: 1.83 kg
- What’s included: Modular DC cable set, AC power cable, installation screws, safety documentation
Usage tips
Before choosing a power supply, compare its 750W output and connector requirements with the parts in your planned PC. In particular, check the graphics card’s specified power connection and your case’s ATX support. The included native 12V-2x6 cable is relevant to the GPUs named in the product details, the information provided does not list every compatible card or system configuration.
During installation, the main power cables are already attached. Add only the modular cables required by your components, then route and secure them as part of the build. The package contents list a modular DC cable set, but do not detail the individual cable lengths or connector count.
Questions before you buy
Does it include a 12V-2x6 cable? Yes. The product description specifies a native cable and says no adapter is required for the listed Nvidia RTX 50-series and older 40-series GPUs.
What does semi-modular mean here? The main power cables are fixed to the unit, the rest can be connected as needed. This reduces the number of unused cables compared with a fully fixed-cable approach.
Is it a 750W power supply? Yes. Its stated output is 750W, so compare that rating with the requirements of your complete PC build before purchasing.
Buying verdict
A solid pick if your build calls for an ATX 750W supply, benefits from a native 12V-2x6 connection, and you want to connect only the modular cables you need. The ATX 3.1 and PCIe 5.1 specifications, plus the stated support for named GPU generations, make it relevant to some newer graphics-card builds. Better avoided if your components require a different wattage or form factor, the provided details do not establish compatibility with every PC configuration.