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Black rectangular ATX power supply with 120 mm fan and fully modular cable sockets

Corsair

Corsair CP-9020296-NA RM850e 850 W power supply

SKU CH-V8AR-27JJ9 MPN CP-9020296-NA

A fully modular ATX 3.1 power supply delivering 850 W with a 120 mm fan, 140 mm depth and Cybenetics Gold efficiency

  • ColorBlack
  • TypeATX 3.1 Compatible
  • Maximum Power850 W
  • Fans1 x 120 mm
  • Main Connector24Pin
  • Max PSU Length140 mm

Options 2025 RMe Series (850W)- Black

  • Fully modular cabling reduces clutter because you connect only the cables your build needs
  • ATX 3.1 compliance supports PCIe 5.1 platforms handling 2x transient GPU power spikes
  • 120 mm rifle bearing fan with a calculated curve keeps noise low even at full load
  • 105 °C rated capacitors deliver steady, reliable power and dependable electrical performance
  • Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency

Fully modular ATX 3.1 power supply

The Corsair RM850e delivers 850 W through a fully modular cable set, so only the needed leads are installed. It meets the ATX 3.1 standard and includes a 12VHPWR connector for PCIe 5.1 graphics cards. A 120 mm rifle bearing fan runs on a calculated curve to limit noise at full load. Cybenetics Gold certification confirms high efficiency across the load range.

Ideal for modern GPU builds.

Builders assembling a PCIe 5.1 graphics card will benefit from the native 12VHPWR cable and ATX 3.1 transient response. Systems that rely solely on older 6+2 pin PCIe connectors and do not need the new standard can consider simpler units. The 140 mm depth fits most mid-tower cases, but very compact chassis should verify clearance. Modern Standby support suits users who want fast wake-from-sleep.

12VHPWR connector decides compatibility

The single 12VHPWR (12+4) cable is the defining feature for current-generation graphics cards. If the GPU requires that connector, this unit supplies it directly without adapters. If the build uses only 8-pin or 6+2-pin PCIe power, the 12VHPWR lead will remain unused.

Fordele

  • Fully modular cabling reduces clutter because you connect only the cables your build needs
  • ATX 3.1 compliance supports PCIe 5.1 platforms handling 2x transient GPU power spikes
  • 120 mm rifle bearing fan with a calculated curve keeps noise low even at full load
  • 105 °C rated capacitors deliver steady, reliable power and dependable electrical performance
  • Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency

Specifikationer

BrandCORSAIR
SeriesRMx Series
ModelRM850e
Part NumberCP-9020296-NA
ColorBlack
TypeATX 3.1 Compatible
Maximum Power850 W
Fans1 x 120 mm
Main Connector24Pin
Max PSU Length140 mm
ModularFull Modular
Energy-EfficientCybenetics Gold
Input Voltage100 - 240 V
Input Frequency Range47 - 63 Hz
Input Current+3.3V@20A, +5V@20A, [email protected] , +5Vsb@3A
Connectors1 x 12VHPWR (12+4) PCIe / 1 x 24 pin ATX / 1 x 8 pin (6+2) PCIe / 6 x SATA
Forsendelsesvægt2.93 kg
Pakkestørrelse286 × 188 × 127 mm

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Spørgsmål om denne vare

Will the 12VHPWR connector on this 850 W unit work with a graphics card that only has an 8-pin PCIe socket?

The PSU includes a 12VHPWR 12+4 connector and a separate 8-pin 6+2 PCIe cable; use the 6+2 cable for older cards and keep the 12VHPWR for newer GPUs.

How can I confirm the fan curve is behaving correctly once the system is running?

The 120 mm rifle-bearing fan spins up under load and stays quiet at idle; listen for low noise during heavy GPU workloads to verify the curve is active.

Which cables are included and what must I source separately for a typical build?

The box supplies the 24-pin ATX, one 8-pin 6+2 PCIe, one 12VHPWR 12+4 and six SATA connectors; additional PCIe or EPS cables are not included.

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