Product comparison · 2 power supply units

be quiet! BN337 power supply unit vs be quiet! Straight Power 12

Key differences

Total power
- BN337 power supply unit:850 W
- Straight Power 12:750 W
Peak power
- BN337 power supply unit:920 W
- Straight Power 12:820 W
AC input voltage
- BN337 power supply unit:100 - 240 V
- Straight Power 12:110 - 240 V
Combined power (+3.3V)
- BN337 power supply unit:150 W
- Straight Power 12:130 W
Combined power (+12V)
- BN337 power supply unit:849.6 W
- Straight Power 12:750 W
Combined power (+5V)
- BN337 power supply unit:150 W
- Straight Power 12:130 W
Max output current (-12V)
- BN337 power supply unit:0.5 A
- Straight Power 12:0.3 A
Efficiency
- BN337 power supply unit:92.3%
- Straight Power 12:92.9%

Differences highlightedShow differences only

Comparison of BN337, Straight Power 12
70 specifications	A be quiet! BN337 power supply unit Model BN337 View product	B be quiet! Straight Power 12 View product
Power9 differ
Total powerDiffers	850 W	750 W
Peak powerDiffers	920 W	820 W
AC input voltageDiffers	100 - 240 V	110 - 240 V
Combined power (+3.3V)Differs	150 W	130 W
Combined power (+12V)Differs	849.6 W	750 W
Combined power (+5V)Differs	150 W	130 W
Max output current (+12V1)Known for one	70.8 A	Unknown — not stated by the source
Max output current (-12V)Differs	0.5 A	0.3 A
EfficiencyDiffers	92.3%	92.9%
Hold timeDiffers	19.2 ms	24.8 ms
Max output current (+12V)Known for one	Unknown — not stated by the source	62.5 A
Performance1 differ
Noise levelDiffers	22.1 dB	20.8 dB
Design2 differ
Fan speedDiffers	0 - 2100 RPM	0 - 1800 RPM
IlluminationDiffers	Yes	No
Certificates1 differ
Compliance certificatesDiffers	RoHS, Federal Communications Commission (FCC), UKCA, WEEE, CE	CE, Federal Communications Commission (FCC), RoHS, UKCA, WEEE
Weight & dimensions1 differ
WeightDiffers	1.81 kg	1.76 kg
Packaging data1 differ
Package weightDiffers	3.52 kg	3.47 kg
Technical detailsidentical
Sustainability certificatesKnown for one	Triman, ENERGY STAR, ErP	Unknown — not stated by the source
Logistics data1 differ
Shipping (inner) case net weightDiffers	22.7 kg	22.4 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.