Product comparison · 2 power supply units

be quiet! POWER ZONE 2 750W vs be quiet! POWER ZONE 2 850W

Key differences

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Comparison of POWER ZONE 2 750W, POWER ZONE 2 850W
73 specifications	A be quiet! POWER ZONE 2 750W View product	B be quiet! POWER ZONE 2 850W View product
Power8 differ
Total powerDiffers	750 W	850 W
Peak powerDiffers	820 W	920 W
Combined power (+12V)Differs	750 W	849.6 W
Combined power (-12V)Differs	3.6 W	6 W
Max output current (+12V)Differs	62.5 A	70.8 A
Max output current (-12V)Differs	0.3 A	0.5 A
EfficiencyDiffers	92.5%	92.3%
Hold timeDiffers	24.5 ms	21.1 ms
Ports & interfaces2 differ
Number of SATA power connectorsDiffers	6	7
Peripheral (Molex) power cable lengthDiffers	850 mm	1000 mm
Performance1 differ
Noise levelDiffers	15.8 dB	24.9 dB

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.