PCTalkTalk ComparePCTalk
PSU

Corsair RM850x (2024)

Fully modular ATX 3.1 850W Gold PSU — quiet, reliable, and built for RTX 40/50-class GPUs.

$149
Launch price

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.

Pros

  • ATX 3.1 + 12V-2x6 cable
  • Near-silent Zero RPM mode
  • 10-year warranty

Cons

  • Premium vs budget Gold units
  • ATX length needs case clearance
  • No Platinum efficiency

Full specifications

Power
Wattage850 W
Efficiency rating80 Plus Gold
ATX versionATX 3.1
Modular cablingFully modular
Form factorATX
12V rail designSingle 12V
Connectors & Build
PCIe / GPU connectors1× 12V-2x6, 3× 8-pin (6+2)
CPU power connectors2× 8-pin (4+4)
SATA connectors8
Fan size140 mm
PSU length160 mm
Zero-RPM fan modeYes
Warranty10 years

Where to buy the Corsair RM850x (2024)

Check today's availability, latest prices, and bundle deals at these authorized retailers:

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.