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Corsair RM850x Shift (2025) vs Corsair SF1000L

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Key differences

  • Corsair RM850x Shift (2025) has higher Warranty (10 years vs 7 years)
  • Corsair SF1000L has lower PSU length (130 mm vs 160 mm)
  • Corsair SF1000L has higher Wattage (1000 W vs 850 W)

Full spec comparison

Spec
Corsair RM850x Shift (2025)
Corsair SF1000L
Power
Wattage850 W1000 W
Efficiency rating80 Plus Gold80 Plus Gold
ATX versionATX 3.1ATX 3.0
Modular cablingFully modularFully modular
Form factorATXSFX-L
12V rail designSingle 12VSingle 12V
Connectors & Build
PCIe / GPU connectors1× 12V-2x6, 3× 8-pin1× 12VHPWR, 3× 8-pin
CPU power connectors2× 8-pin2× 8-pin
SATA connectors88
Fan size140 mm120 mm
PSU length160 mm130 mm
Zero-RPM fan modeYesYes
Warranty10 years7 years

Ready to buy?

Corsair RM850x Shift (2025)

Corsair SF1000L

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.