Corsair RM1200x SHIFT vs Corsair RM850x Shift (2025)
Affiliate disclosure: As an Amazon Associate, PCTalkTalk Compare earns from qualifying purchases. We may also earn a commission from Newegg and B&H Photo Video links, at no extra cost to you.
Key differences
- •Corsair RM1200x SHIFT has higher Wattage (1200 W vs 850 W)
Full spec comparison
Spec
Corsair RM1200x SHIFT
Corsair RM850x Shift (2025)
Power
Wattage1200 W▲850 W
Efficiency rating80 Plus Gold80 Plus Gold
ATX versionATX 3.0ATX 3.1
Modular cablingFully modularFully modular
Form factorATXATX
12V rail designSingle +12VSingle 12V
Connectors & Build
PCIe / GPU connectors1× 12VHPWR + 6× 8-pin1× 12V-2x6, 3× 8-pin
CPU power connectors—2× 8-pin
SATA connectors—8
Fan size—140 mm
PSU length—160 mm
Zero-RPM fan mode—Yes
Warranty—10 years