Corsair RM850x Shift (2025) vs Seasonic Prime GX-1000
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Key differences
- •Seasonic Prime GX-1000 has higher SATA connectors (14 vs 8)
- •Seasonic Prime GX-1000 has higher Warranty (12 years vs 10 years)
- •Seasonic Prime GX-1000 has higher Wattage (1000 W vs 850 W)
- •Corsair RM850x Shift (2025) has lower PSU length (160 mm vs 170 mm)
Full spec comparison
Spec
Corsair RM850x Shift (2025)
Seasonic Prime GX-1000
Power
Wattage850 W1000 W▲
Efficiency rating80 Plus Gold80 Plus Gold
ATX versionATX 3.1ATX 2.4
Modular cablingFully modularFully modular
Form factorATXATX
12V rail designSingle 12VSingle +12V
Connectors & Build
PCIe / GPU connectors1× 12V-2x6, 3× 8-pin6× 8-pin
CPU power connectors2× 8-pin2× 8-pin
SATA connectors814▲
Fan size140 mm135 mm
PSU length160 mm▲170 mm
Zero-RPM fan modeYesYes
Warranty10 years12 years▲