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Black rectangular ATX power supply unit with 140 mm fan and modular cable sockets

Corsair

Corsair CP-9020285-NA RM750x power supply

SKU CH-5Z4A-NRW40 MPN CP-9020285-NA

A fully modular ATX 3.1 unit delivering 750 W with Cybenetics Gold efficiency, a 140 mm fan and native 12V-2x6 connector

  • Max wattage750 W
  • Modular cablingFull Modular
  • Fan configuration1 × 140 mm
  • Main power connector24Pin
  • PSU length limit160 mm
  • Efficiency certificationCybenetics Gold

Model ATX 3.1 80+ Gold (750W)

  • Fully modular design lets you connect only the cables you need
  • Cybenetics Gold certification confirms high energy efficiency
  • ATX 3.1 compliance ensures compatibility with modern platforms
  • Native 12V-2x6 connector supports PCIe 5.1 graphics cards
  • 100 % Japanese 105 °C capacitors deliver reliable long-term operation

RM750x ATX 3.1 power supply

The Corsair RM750x delivers 750 W through a fully modular ATX 3.1 design. A native 12V-2x6 connector supports PCIe 5.1 graphics cards without adapters. The unit targets builders who want clean cable routing and modern connector standards.

Thermals noise and power draw

A 140 mm fan runs under a fan-speed adjustment knob for manual control. Cybenetics Gold certification confirms high efficiency across typical loads. 100% Japanese 105 °C-rated electrolytic capacitors help maintain stable output during extended operation.

Bundled accessories and software

The package includes a DC cable kit, power cord, mounting screws and cable ties. Ultra-flexible embossed cables with low-profile combs simplify routing in tight spaces. No software suite or monitoring utility is mentioned in the supplied data.

How it compares

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

Price $97.99
Cheaper than about 68% 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
Product lineRMx Series
Model nameRM750x
Part numberCP-9020285-NA
Product colorBlack
Product typeATX 3.1 Compatible
Ports & slots
Connection types1 × 12VHPWR (12+4) PCIe / 1 × 24 pin ATX / 2 × 8 pin (4+4) EPS (CPU) / 3 × 8 pin (6+2) PCIe / 3 x PATA / 8 x SATA
Power
Max wattage750 W
Modular cablingFull Modular
Main power connector24Pin
Efficiency certificationCybenetics Gold
Supply voltage100–240 V
AC input frequency47–63 Hz
Rated input current+3.3 V@20A, +5 V@20A, +5Vsb@3A
Size & build
Shipping weight3.43 kg
Package size297 × 216 × 130 mm
Compatibility
PSU length limit160 mm
In the box
Included itemsRM750x Power Supply | DC Cable Kit | Power Cord | Mounting Screws | Cable Ties
More details
Fan configuration1 × 140 mm

Other versions of this model

5 more in the same range

Questions about this item

How do I install the 12V-2x6 connector for a PCIe 5.1 graphics card?

Plug the native 12+4 pin cable into the GPU first, then seat the matching 12+4 pin end into the PSU socket labelled PCIe 5.1; the embossed cable and low-profile combs help routing but the step often missed is fully clicking both ends before tightening the thumbscrews.

What maintenance will the 140 mm fan need after extended use?

The 140 mm fan runs on a speed-adjustment knob; dust buildup is the only service item — clean the intake grille with compressed air every few months and ensure the knob remains on your chosen curve so bearing noise stays low.

At what sustained load does the Cybenetics Gold efficiency rating stop improving?

Cybenetics Gold certifies high efficiency across the load range; the practical limit appears first at the 750 W maximum power rating — beyond that the protection circuitry shuts the unit down.

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