Product comparison · 2 power supply units

be quiet! BN133 power supply unit vs be quiet! BQT L7-350W

55specifications compared
26differ
29identical
9known for one product only

Key differences

Total power
- BN133 power supply unit:300 W
- BQT L7-350W:350 W
Input current
- BN133 power supply unit:4.5 A
- BQT L7-350W:5 A
Power factor
- BN133 power supply unit:0.9
- BQT L7-350W:0.99
Combined power (+3.3V)
- BN133 power supply unit:60 W
- BQT L7-350W:80 W
Combined power (+12V)
- BN133 power supply unit:156.5 W
- BQT L7-350W:300 W
Combined power (+5V)
- BN133 power supply unit:65 W
- BQT L7-350W:60 W
Combined power (-12V)
- BN133 power supply unit:6 W
- BQT L7-350W:3.6 W
Max output current (+3.3V)
- BN133 power supply unit:20 A
- BQT L7-350W:21 A

Side by side

Differences highlightedShow differences only

Comparison of BN133, BQT L7-350W
64 specifications	A be quiet! BN133 power supply unit Model BN133 View product	B be quiet! BQT L7-350W View product
Power13 differ
Total powerDiffers	300 W	350 W
Input currentDiffers	4.5 A	5 A
Power factorDiffers	0.9	0.99
Combined power (+3.3V)Differs	60 W	80 W
Combined power (+12V)Differs	156.5 W	300 W
Combined power (+5V)Differs	65 W	60 W
Combined power (-12V)Differs	6 W	3.6 W
Max output current (+3.3V)Differs	20 A	21 A
Max output current (+12V)Differs	30 A	25 A
Max output current (+5V)Differs	22 A	15 A
Max output current (-12V)Differs	0.5 A	0.3 A
EfficiencyDiffers	86%	87%
Hold timeKnown for one	17 ms	Unknown — not stated by the source
Power protection featuresDiffers	Over current, Over power, Over voltage, Short circuit, Under voltage	Over current, Over power, Over voltage, Short circuit, Under voltage, Overheating
Ports & interfaces1 differ
Number of SATA power connectorsDiffers	2	4
PCI Express power connectors (6+2 pin)Known for one	Unknown — not stated by the source	1
Performance2 differ
Power supply unit (PSU) form factorDiffers	SFX	ATX
Noise levelDiffers	17 dB	19 dB
ATX versionKnown for one	Unknown — not stated by the source	2.3
EPS versionKnown for one	Unknown — not stated by the source	2.92
Bearing technologyKnown for one	Unknown — not stated by the source	FDB
Design2 differ
Fan diameterDiffers	8 cm	12 cm
Fan speedKnown for one	3400	Unknown — not stated by the source
IlluminationDiffers	No	Yes
Operational conditions1 differ
Operating temperature (T-T)Differs	10 - 50 °C	5 - 40 °C
Certificates1 differ
CertificationDiffers	WEEE, EU 2002/95/EG RoHS	ErP, WEEE
Weight & dimensions3 differ
WidthDiffers	125 mm	150 mm
DepthDiffers	100 mm	140 mm
HeightDiffers	63.5 mm	85 mm
WeightKnown for one	1 kg	Unknown — not stated by the source
Packaging dataidentical
Case or master carton dimensions (W x D x H)Known for one	199 x 195 x 75 mm	Unknown — not stated by the source
Case or master carton quantityKnown for one	6 pc(s)	Unknown — not stated by the source
Other features3 differ
Dimensions (WxDxH)Differs	125 x 100 x 63.5 mm	140 x 150 x 85 mm
Parallel processing technology supportDiffers	Not supported	Hybrid CrossFireX
Power managementDiffers	No	Yes

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.

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