Product comparison · 2 power supply units

be quiet! BN134 power supply unit vs be quiet! BQT L7-350W

51specifications compared
22differ
29identical
13known for one product only

Key differences

Input current
- BN134 power supply unit:4.5 A
- BQT L7-350W:5 A
Power factor
- BN134 power supply unit:0.9
- BQT L7-350W:0.99
Combined power (+3.3V)
- BN134 power supply unit:60 W
- BQT L7-350W:80 W
Combined power (+12V)
- BN134 power supply unit:200 W
- BQT L7-350W:300 W
Combined power (+5V)
- BN134 power supply unit:65 W
- BQT L7-350W:60 W
Combined power (-12V)
- BN134 power supply unit:6 W
- BQT L7-350W:3.6 W
Max output current (+3.3V)
- BN134 power supply unit:20 A
- BQT L7-350W:21 A
Max output current (+12V)
- BN134 power supply unit:30 A
- BQT L7-350W:25 A

Side by side

Differences highlightedShow differences only

Comparison of BN134, BQT L7-350W
64 specifications	A be quiet! BN134 power supply unit Model BN134 View product	B be quiet! BQT L7-350W View product
Power11 differ
Total power	350 W	350 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Input currentDiffers	4.5 A	5 A
Maximum input current (@110V)Known for one	Unknown — not stated by the source	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Power factorDiffers	0.9	0.99
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)Differs	60 W	80 W
Combined power (+12V)Differs	200 W	300 W
Combined power (+5V)Differs	65 W	60 W
Combined power (-12V)Differs	6 W	3.6 W
Combined power (+5Vsb)	12.5 W	12.5 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
Max output current (+5Vsb)	2.5 A	2.5 A
EfficiencyDiffers	86%	87%
Power protection features	Over current, Over power, Over voltage, Short circuit, Under voltage, Overheating	Over current, Over power, Over voltage, Short circuit, Under voltage, Overheating
Hold timeKnown for one	17 ms	Unknown — not stated by the source
Ports & interfaces1 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	2	4
Peripheral (Molex) power connectors (4-pin)	3	3
PCI Express power connectors (6+2 pin)Known for one	Unknown — not stated by the source	1
CPU P4 connector (4-pin)	1	1
Floppy drive power connector	1	1
Connector(s)	IEC C14	IEC C14
Cabling type	Non-Modular	Non-Modular
Monitor outlet	No	No
PCI Express power connectors (6-pin)Known for one	1	Unknown — not stated by the source
Performance1 differ
Purpose	PC	PC
Power supply unit (PSU) form factorDiffers	SFX	ATX
80 PLUS certification	80 PLUS	80 PLUS
ATX versionKnown for one	Unknown — not stated by the source	2.3
EPS versionKnown for one	Unknown — not stated by the source	2.92
Noise levelKnown for one	Unknown — not stated by the source	19 dB
Bearing technologyKnown for one	Unknown — not stated by the source	FDB
Mean time between failures (MTBF)	100000 h	100000 h
Compatible productsKnown for one	Unknown — not stated by the source	Intel C6
Design2 differ
Product colour	Black	Black
Cooling type	Active	Active
Fan diameterDiffers	8 cm	12 cm
Number of fans	1 fan(s)	1 fan(s)
Fan location	Side	Side
IlluminationDiffers	No	Yes
LED indicators	No	No
Fan speedKnown for one	4000	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	10 - 50 °C	5 - 40 °C
Certificates1 differ
Compliance certificates	RoHS	RoHS
CertificationDiffers	WEEE, EU 2002/95/EG RoHS	ErP, WEEE
Safety regulation & standardsidentical
Safety	CE, CB, TUV, N, S, Fl, D	CE, CB, TUV, N, S, Fl, D
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
Technical detailsidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Other features2 differ
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	140 x 150 x 85 mm
Parallel processing technology supportDiffers	Not supported	Hybrid CrossFireX
Power managementDiffers	No	Yes
Power over Ethernet (PoE)	No	No
Power supply type	AC/DC	AC/DC
Redundant power supply (RPS) support	No	No
Power rocker switch	Yes	Yes
Package dimensions (WxDxH)Known for one	199 x 195 x 75 mm	Unknown — not stated by the source

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.

More power supply unit comparisons

All power supply unit comparisons