be quiet! Straight Power 12 850W vs Corsair RM850x (2024)
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
- •be quiet! Straight Power 12 850W has higher SATA connectors (9 vs 8)
Full spec comparison
Spec
be quiet! Straight Power 12 850W
Corsair RM850x (2024)
Power
Wattage850 W850 W
Efficiency rating80 Plus Platinum80 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, 3× 8-pin (6+2)1× 12V-2x6, 3× 8-pin (6+2)
CPU power connectors2× 8-pin (4+4)2× 8-pin (4+4)
SATA connectors9▲8
Fan size135 mm140 mm
PSU length160 mm160 mm
Zero-RPM fan modeYesYes
Warranty10 years10 years