Product comparison · 2 power supply units

be quiet! BN133 power supply unit vs be quiet! Dark Power

51specifications compared
31differ
20identical
20known for one product only

Key differences

Total power
- BN133 power supply unit:300 W
- Dark Power:750 W
Input current
- BN133 power supply unit:4.5 A
- Dark Power:9 A
Power factor
- BN133 power supply unit:0.9
- Dark Power:0.99
Combined power (+3.3V)
- BN133 power supply unit:60 W
- Dark Power:150 W
Combined power (+12V)
- BN133 power supply unit:156.5 W
- Dark Power:732 W
Combined power (+5V)
- BN133 power supply unit:65 W
- Dark Power:150 W
Combined power (+5Vsb)
- BN133 power supply unit:12.5 W
- Dark Power:15 W
Max output current (+3.3V)
- BN133 power supply unit:20 A
- Dark Power:24 A

Side by side

Differences highlightedShow differences only

Comparison of BN133, Dark Power
71 specifications	A be quiet! BN133 power supply unit Model BN133 View product	B be quiet! Dark Power View product
Power15 differ
Total powerDiffers	300 W	750 W
Peak powerKnown for one	Unknown — not stated by the source	850 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Input currentDiffers	4.5 A	9 A
Maximum input current (@110V)Differs	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V	+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,-12V
Power factorDiffers	0.9	0.99
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)Differs	60 W	150 W
Combined power (+12V)Differs	156.5 W	732 W
Combined power (+5V)Differs	65 W	150 W
Combined power (-12V)	6 W	6 W
Combined power (+5Vsb)Differs	12.5 W	15 W
Max output current (+3.3V)Differs	20 A	24 A
Max output current (+12V)Differs	30 A	61 A
Max output current (+5V)Differs	22 A	30 A
Max output current (-12V)	0.5 A	0.5 A
Max output current (+5Vsb)Differs	2.5 A	3 A
EfficiencyDiffers	86%	93%
Hold timeDiffers	17 ms	33 ms
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 & interfaces4 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	2	9
Peripheral (Molex) power connectors (4-pin)Differs	3	8
PCI Express power connectors (6-pin)Known for one	Unknown — not stated by the source	2
PCI Express power connectors (6+2 pin)Known for one	Unknown — not stated by the source	2
CPU power connector (4+4 pin)Known for one	Unknown — not stated by the source	Yes
Floppy drive power connectorDiffers	1	2
Connector(s)	IEC C14	IEC C14
Cabling typeDiffers	Non-Modular	Semi-Modular
I/O portsKnown for one	Unknown — not stated by the source	4 x 4 Pin. Molex/3 Pin.
CPU P4 connector (4-pin)Known for one	1	Unknown — not stated by the source
Monitor outletKnown for one	No	Unknown — not stated by the source
Performance4 differ
Purpose	PC	PC
Power supply unit (PSU) form factorDiffers	SFX	ATX
80 PLUS certificationDiffers	80 PLUS	80 PLUS Gold
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 levelDiffers	17 dB	23.1 dB
Bearing technologyKnown for one	Unknown — not stated by the source	FDB
Mean time between failures (MTBF)	100000 h	100000 h
Compatible productsDiffers	Intel C6	Multi-GPU, NVIDIA Hybrid, AMD / ATI CrossFire
Design2 differ
Product colour	Black	Black
Fan diameterDiffers	8 cm	12 cm
Number of fans	1 fan(s)	1 fan(s)
Fan speedDiffers	3400	1435
Fan location	Side	Side
LED indicators	No	No
Cooling typeKnown for one	Active	Unknown — not stated by the source
IlluminationKnown for one	No	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	10 - 50 °C	0 - 40 °C
Certificates1 differ
Compliance certificates	RoHS	RoHS
CertificationDiffers	WEEE, EU 2002/95/EG RoHS	Energy Star 5.0, ErP, WEEE, RoHS
Safety regulation & standardsidentical
Safety	CE, CB, TUV, N, S, Fl, D	CE, CB, TUV, N, S, Fl, D
Weight & dimensions1 differ
WeightDiffers	1 kg	2.47 kg
WidthKnown for one	125 mm	Unknown — not stated by the source
DepthKnown for one	100 mm	Unknown — not stated by the source
HeightKnown for one	63.5 mm	Unknown — not stated by the source
Packaging dataidentical
Package weightKnown for one	Unknown — not stated by the source	4.51 kg
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
Technical detailsidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Other features3 differ
Dimensions (WxDxH)Differs	125 x 100 x 63.5 mm	200 x 150 x 86 mm
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	400 x 272 x 118 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
Supported protocolsKnown for one	Unknown — not stated by the source	Intel C6
Power rocker switch	Yes	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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