Antec HCG1000 Extreme vs Corsair RM850x Shift (2025)
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Key differences
- •Antec HCG1000 Extreme has higher SATA connectors (12 vs 8)
- •Antec HCG1000 Extreme has higher Wattage (1000 W vs 850 W)
Full spec comparison
Spec
Antec HCG1000 Extreme
Corsair RM850x Shift (2025)
Power
Wattage1000 W▲850 W
Efficiency rating80 Plus Gold80 Plus Gold
ATX versionATX 2.4ATX 3.1
Modular cablingFully modularFully modular
Form factorATXATX
12V rail designSingle 12VSingle 12V
Connectors & Build
PCIe / GPU connectors6× 8-pin1× 12V-2x6, 3× 8-pin
CPU power connectors2× 8-pin2× 8-pin
SATA connectors12▲8
Fan size135 mm140 mm
PSU length160 mm160 mm
Zero-RPM fan modeYesYes
Warranty10 years10 years