Corsair RMx Shift RM850x is a fully modular 850W ATX 3.1 power supply for desktop computers. It features 80 PLUS Gold efficiency, a 140mm FDB fan, and 24-pin ATX, EPS, SATA, and PCIe power connectors.
Corsair RMx Shift RM850x is a fully modular 850W ATX 3.1 power supply for desktop computers. It features 80 PLUS Gold efficiency, a 140mm FDB fan, and 24-pin ATX, EPS, SATA, and PCIe power connectors.


Corsair RMx Shift RM850x is a fully modular 850W ATX 3.1 power supply for desktop computers. It features 80 PLUS Gold efficiency, a 140mm FDB fan, and 24-pin ATX, EPS, SATA, and PCIe power connectors.
Guarantee
24 month
Delivery from Europe in
8 - 9
business days
The Corsair RMx Shift RM850x is a fully modular 850W ATX 3.1 desktop power supply. It features 80 PLUS Gold efficiency, a 140mm FDB fan, and 24-pin ATX, EPS, SATA, and PCIe power connectors.
Product information | |
|---|---|
| Product type | Desktop power supply |
| Model | Corsair RMx Shift RM850x |
| Color | Black |
| Form factor | ATX |
| Cables | Fully modular |
Electrical specifications | |
| Total output power | 850W |
| +12V output | 850 W; up to 70.8 A |
| +5V output | 120 W; up to 20 A |
| +3.3V output | 120 W; up to 20 A |
| +5VSB exit | 15 W; up to 3 A |
| AC input voltage | 100-240V |
| AC input frequency | 47-63 Hz |
| Input current | 5-10A |
Connectors | |
| Motherboard connector | 24 contacts ATX |
| Processor connector | 4+4 pin EPS |
| Modern graphics card connector | 1 × 12+4-pin PCIe |
| Additional graphics card connectors | 2 × 6+2-pin PCIe |
| SATA power connectors | 9 |
| PATA power connectors | 4 |
Cooling and construction | |
| Cooling system | Active cooling with one 140 mm fan |
| Fan bearing | Fluid Dynamic Bearing (FDB) |
| Fan operation | Zero speed mode supported |
| Power switch | Yes |
| Mean time between failures | 100,000 hours |
Physical specifications | |
| Dimensions | 160 × 86 × 150 mm (width × height × depth) |
| Weight | 2.89 kg |
| Motherboard cable length | 61 cm |
| PCIe cable length | 650mm |
| SATA cable lengths | 100, 500 and 700 mm |
Safety warning | |
| Important | For installation in compatible desktop systems only. Disconnect mains power before installation or servicing. Use only the supplied modular cables; using cables from other power sources may damage components or create a fire hazard. |
| Height | 150mm |
| Length | 300mm |
| Weight | 4000 grams |
| Width | 250mm |