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Antec HCG850 Bio vs Corsair RM850x Shift (2025)

Antec HCG850 Bio
$145
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Corsair RM850x Shift (2025)
$170
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Key differences

  • •Antec HCG850 Bio has lower PSU length (140 mm vs 160 mm)

Full spec comparison

Spec
Antec HCG850 Bio
Corsair RM850x Shift (2025)
Power
Wattage850 W850 W
Efficiency rating80 Plus Gold80 Plus Gold
ATX versionATX 3.0ATX 3.1
Modular cablingFully modularFully modular
Form factorATXATX
12V rail designSingle +12VSingle 12V
Connectors & Build
PCIe / GPU connectors4× 8-pin + 12VHPWR1× 12V-2x6, 3× 8-pin
CPU power connectors2× 8-pin2× 8-pin
SATA connectors88
Fan size135 mm140 mm
PSU length140 mm▲160 mm
Zero-RPM fan modeYesYes
Warranty10 years10 years

Ready to buy?

Antec HCG850 Bio

AmazonNeweggB&H

Corsair RM850x Shift (2025)

AmazonNeweggB&H

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.