Product comparison · 2 power supply units

be quiet! System Power 11 550W vs be quiet! System Power 11 650W

Key differences

Total power
- System Power 11 550W:550 W
- System Power 11 650W:650 W
Combined power (+12V)
- System Power 11 550W:550 W
- System Power 11 650W:650 W
Max output current (+12V1)
- System Power 11 550W:45.83 A
- System Power 11 650W:54.17 A
Hold time
- System Power 11 550W:16.86 ms
- System Power 11 650W:17.04 ms
Noise level
- System Power 11 550W:24.2 dB
- System Power 11 650W:30.9 dB
Fan speed
- System Power 11 550W:0 - 1800 RPM
- System Power 11 650W:0 - 2100 RPM
Weight
- System Power 11 550W:1.92 kg
- System Power 11 650W:1.97 kg
Package weight
- System Power 11 550W:2.3 kg
- System Power 11 650W:2.4 kg

Differences highlightedShow differences only

Comparison of System Power 11 550W, System Power 11 650W
62 specifications	A be quiet! System Power 11 550W View product	B be quiet! System Power 11 650W View product
Power4 differ
Total powerDiffers	550 W	650 W
Combined power (+12V)Differs	550 W	650 W
Max output current (+12V1)Differs	45.83 A	54.17 A
Hold timeDiffers	16.86 ms	17.04 ms
Performance1 differ
Noise levelDiffers	24.2 dB	30.9 dB
Design1 differ
Fan speedDiffers	0 - 1800 RPM	0 - 2100 RPM
Weight & dimensions1 differ
WeightDiffers	1.92 kg	1.97 kg
Packaging data1 differ
Package weightDiffers	2.3 kg	2.4 kg
Logistics data1 differ
Shipping (inner) case gross weightDiffers	14.9 kg	15.2 kg

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.