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Black semi-modular ATX power supply unit with 140mm compact length

Corsair

Corsair CP-9020311-NA CX750M 750W power supply

SKU CH-YGV6-P514B MPN CP-9020311-NA

Semi-modular 750 W ATX 3.1 PSU with PCIe 5.1 support, native 12V-2x6 cable for RTX 50-series and 40-series GPUs, compact 140 mm length, Cybenetics Bronze efficiency and 105 °C capacitors

  • Max wattage750 W
  • Product colorBlack

Model CX750M 2025

  • Native 12V-2x6 cable connects RTX 50-series GPUs without adapters
  • ATX 3.1 and PCIe 5.1 standards deliver reliable power for long lifespan
  • Semi-modular design keeps only essential cables attached for cleaner builds
  • Compact 140mm length fits easily into any ATX chassis
  • 105°C capacitors and Cybenetics Bronze efficiency ensure stable, low-noise operation

Ready for 12V-2x6 GPUs

This 750W ATX 3.1 unit ships with a native 12V-2x6 cable so RTX 50-series and 40-series cards connect without adapters. The semi-modular layout keeps the main cables fixed while letting you add only the PCIe and SATA leads you need. Its 140mm depth fits any standard ATX chassis.

ATX 3.1 and PCIe 5.1 limits

The supply follows ATX 3.1 and PCIe 5.1 specifications, which define the power-excursion and timing rules modern GPUs rely on. A single 12V-2x6 connection can deliver up to 600W to the graphics card, while the platform as a whole is rated for 750W continuous output. Efficiency is certified to Cybenetics Bronze level.

Capacity headroom for mid-range builds

At 750W the unit comfortably powers an RTX 5070 or 5070 Ti alongside a modern CPU and storage. The 600W GPU ceiling also covers an RTX 4070 or 4080 class card with margin for transient spikes. Loads beyond the rated 750W or the 600W single-cable limit will trigger protection, so higher-end multi-GPU configurations are outside its design envelope.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $71.99
Cheaper than about 78% of the 10,869 comparable items (median $142.99).
Max wattage 750 W
Lower than about 60% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameCORSAIR
Part numberCP-9020311-NA
Product colorBlack
Power
Max wattage750 W
Size & build
Shipping weight2.61 kg
Package size298 × 188 × 99 mm

Other versions of this model

3 more in the same range

Questions about this item

Will the 12V-2x6 cable power an RTX 5070 or 5070 Ti without an adapter?

Yes, the native 12V-2x6 cable supports RTX 50-series cards including the 5070 and 5070 Ti directly, no adapter needed.

Does the semi-modular design let me remove unused PCIe and SATA cables for a cleaner build?

Yes, only the main power cables are fixed; all PCIe and SATA cables are modular so you connect only what the build requires.

Will the 140 mm length fit a standard ATX case without clearance issues?

The 140 mm depth is a compact ATX size that fits any ATX chassis, leaving room for cable routing behind the motherboard tray.

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