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be quiet! Power Zone 2 850W vs Corsair RM750x: Comparison

be quiet! Power Zone 2 850W and Corsair RM750x separate most on pcie 8-pin connectors: be quiet! Power Zone 2 850W at 3, Corsair RM750x at 4, 25% in favour of Corsair RM750x. Wattage splits them by another 12%, this time favouring be quiet! Power Zone 2 850W. They match on 5 other specifications, including form factor, 12v-2x6 connectors and colour.

be quiet! Power Zone 2 850W (850W/80+ Platinum/Cybenetics A+ Noise Rating/Fully Modular/Quiet-Focused Flagship)
be quiet!be quiet! Power Zone 2 850W

$124.99

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Corsair RM750x (750W/80+ Gold/ATX 3.0/Mainstream Gaming Tier)
CorsairCorsair RM750x

$124.99

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Specs

Specification
be quiet! Power Zone 2 850W (850W/80+ Platinum/Cybenetics A+ Noise Rating/Fully Modular/Quiet-Focused Flagship)
be quiet! Power Zone 2 850W
Corsair RM750x (750W/80+ Gold/ATX 3.0/Mainstream Gaming Tier)
Corsair RM750x
Brandbe quiet!Corsair
Wattage850 W750 W-12%
80 PLUS RatingPlatinumGold
ATX StandardATX 3.1ATX 3.0
Form FactorATXATX
Single +12V RailYestrue
Cybenetics EfficiencyPlatinumGold
Cybenetics NoiseA+A
12V-2x6 Connectors11
Zero-RPM ModeYestrue
Sleeved CablesYesNo, flat ribbon/standard cables
PCIe 8-pin Connectors3-25%4
Connector Count1x 24-pin ATX, 1x EPS 4+4, 1x EPS 8-pin, 1x P4, 1x 12V-2x6 (600W), 3x PCIe 6+2-pin, 7x SATA, 1x Molex1x 24-pin ATX, 1x EPS 4+4, 1x 12V-2x6 (600W), 4x PCIe 6+2-pin, 6x SATA, 2x Molex
Fan Size140 mm105
Fan Model / BearingPure Wings 3 140mm (BQ PUW3-14025-HR), rifle bearing105mm fluid dynamic bearing, near-silent zero-RPM mode below 40% load
OEM / PlatformFSPGreat Wall/CWT
Cable LengthsATX 590mm, EPS 700mm, PCIe 600mm, 12V-2x6 600mm, SATA 550+150+150+155mm and 500+150+150mmATX 610mm, EPS 650mm, PCIe 750mm, SATA 730-850mm
Length160 mm160
ColourBlackBlack
MTBF100000 hours100000
ModularityFully ModularFully Modular
ProtectionsOTP, OCP, OPP, SCP, OVP, UVP, SIPOCP, OVP, OPP, SCP, OTP, UVP
Warranty10 years10
ModelPower Zone 2 850WRM750x
Typical Price$124.99$124.99

Price comparison

Retailerbe quiet! Power Zone 2 850WCorsair RM750x
Consumercarts listing

$124.99

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$124.99

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Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.

Verdict

Corsair RM750x

8.3 / 10 Expert Rating

A solid 750W Gold-rated ATX unit for a popular RTX 4070 Ti / RTX 5070-class gaming build, held back only by the usual mid-tier compromises on cabling and OEM sourcing.

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