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Corsair

Corsair RM850x RM850x 850W 80+ Gold ATX PSU CP-9020180-NA (Boxed)

SKU 10225 Brand Corsair EAN13 0840006667445
Corsair RM850x 850W fully modular ATX 3.1 PSU, 80 PLUS Gold certified. Features Zero RPM 140mm fan, 3x PCIe 6+2-pin + 1x 12V-2x6, 2x EPS. Japanese capacitors, 10-year warranty for silent, reliable power.
PSU (Power Supplies) - Wattage 800 - 899 W
PSU (Power Supplies) - Efficiency Rating 80 Plus Gold
PSU (Power Supplies) - Color Black
PSU (Power Supplies) - Modularity Fully modular
PSU (Power Supplies) - PCIe GPU Connectors 1x 12V-2x6 3x 8/6 pins
PSU (Power Supplies) - Length 141-160 mm
PSU (Power Supplies) - EPS CPU Connectors 2x 4+4pin EPS/ATX12V

The Corsair RMx Series RM850x (CP-9020180-NA) is a premium 850W fully modular ATX power supply designed for high-performance PCs and servers. ATX 3.1 compliant, it delivers clean, efficient power with 80 PLUS Gold certification and Cybenetics Gold efficiency, ensuring low heat and minimal noise.

Key features include a 140mm rifle bearing fan with Zero RPM mode for silent operation at low loads, 100% Japanese 105°C capacitors for reliability, and comprehensive protections (OCP/OPP/OVP/OTP/SCP). Supports modern GPUs with 3x PCIe 8-pin (6+2) and 1x native 12V-2x6 (16-pin) connectors, plus 2x EPS/ATX12V for CPUs.

  • Fully modular low-profile black cables for clean builds
  • 10x SATA, 2x Molex, 1x Floppy, 1x 24-pin ATX, 2x EPS connectors
  • Dimensions: 150 x 160 x 86 mm; Weight: 3.38 kg (unit)
  • 10-year warranty, MTBF 100,000 hours
  • Universal input 100-240V, 47-63Hz
Total power850 W
AC input voltage100 - 240 V
AC input frequency47 - 63 Hz
Input current10 - 5 A
Combined power (+3.3V)150 W
Combined power (+12V)849.6 W
Combined power (+5V)150 W
Combined power (+5Vsb)15 W
Max output current (+3.3V)20 A
Max output current (+12V)70.8 A
Max output current (+5V)20 A
Max output current (+5Vsb)3 A
Power protection featuresOver current, Over power, Over voltage, Overheating, Short circuit
Motherboard power connector24-pin ATX
Number of SATA power connectors10
Peripheral (Molex) power connectors (4-pin)2
PCI Express power connectors (6+2 pin)3
PCI Express power connectors (16-pin)1 (12V-2x6)
EPS/ATX12V connectors2x 4+4 pin
Cabling typeFully-Modular
80 PLUS certification80 PLUS Gold
Power supply unit (PSU) form factorATX
ATX version3.1
EPS version2.92
Product colourBlack
Cooling typeActive
Fan diameter140 mm
Number of fans1 fan(s)
Zero RPM ModeYes
Fan Bearing TechnologyRifle Bearing
Width150 mm
Depth160 mm
Height86 mm
Weight3.38 kg
Warranty10 Years
MTBF100,000 hours