Product comparison · 2 power supply units

be quiet! BN133 power supply unit vs Chieftec BPS-950C power supply unit

15specifications compared
11differ
4identical
48known for one product only

Key differences

Total power
- BN133 power supply unit:300 W
- BPS-950C power supply unit:950 W
Input current
- BN133 power supply unit:4.5 A
- BPS-950C power supply unit:10 A
Number of SATA power connectors
- BN133 power supply unit:2
- BPS-950C power supply unit:6
Peripheral (Molex) power connectors (4-pin)
- BN133 power supply unit:3
- BPS-950C power supply unit:4
Cabling type
- BN133 power supply unit:Non-Modular
- BPS-950C power supply unit:Semi-Modular
Power supply unit (PSU) form factor
- BN133 power supply unit:SFX
- BPS-950C power supply unit:ATX
Noise level
- BN133 power supply unit:17 dB
- BPS-950C power supply unit:24 dB
Fan diameter
- BN133 power supply unit:8 cm
- BPS-950C power supply unit:14 cm

Side by side

Differences highlightedShow differences only

Comparison of BN133, BPS-950C
63 specifications	A be quiet! BN133 power supply unit Model BN133 View product	B Chieftec BPS-950C power supply unit Model BPS-950C View product
Power3 differ
Total powerDiffers	300 W	950 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Input currentDiffers	4.5 A	10 A
Maximum input current (@110V)Known for one	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V	Unknown — not stated by the source
Power factorKnown for one	0.9	Unknown — not stated by the source
Power Factor Correction (PFC) typeKnown for one	Active	Unknown — not stated by the source
Combined power (+3.3V)Known for one	60 W	Unknown — not stated by the source
Combined power (+12V)Known for one	156.5 W	Unknown — not stated by the source
Combined power (+5V)Known for one	65 W	Unknown — not stated by the source
Combined power (-12V)Known for one	6 W	Unknown — not stated by the source
Combined power (+5Vsb)Known for one	12.5 W	Unknown — not stated by the source
Max output current (+3.3V)Known for one	20 A	Unknown — not stated by the source
Max output current (+12V)Known for one	30 A	Unknown — not stated by the source
Max output current (+5V)Known for one	22 A	Unknown — not stated by the source
Max output current (-12V)Known for one	0.5 A	Unknown — not stated by the source
Max output current (+5Vsb)Known for one	2.5 A	Unknown — not stated by the source
EfficiencyKnown for one	86%	Unknown — not stated by the source
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 voltage, Short circuit, Under voltage, Overload
Ports & interfaces3 differ
Motherboard power connectorKnown for one	20+4 pin ATX	Unknown — not stated by the source
Number of SATA power connectorsDiffers	2	6
Peripheral (Molex) power connectors (4-pin)Differs	3	4
CPU P4 connector (4-pin)Known for one	1	Unknown — not stated by the source
Floppy drive power connector	1	1
Connector(s)Known for one	IEC C14	Unknown — not stated by the source
Cabling typeDiffers	Non-Modular	Semi-Modular
Monitor outletKnown for one	No	Unknown — not stated by the source
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
PCI Express power connectors (8-pin)Known for one	Unknown — not stated by the source	4
ATX power connector (20+4 pin)Known for one	Unknown — not stated by the source	Yes
Performance2 differ
PurposeKnown for one	PC	Unknown — not stated by the source
Power supply unit (PSU) form factorDiffers	SFX	ATX
80 PLUS certificationKnown for one	80 PLUS	Unknown — not stated by the source
Noise levelDiffers	17 dB	24 dB
Mean time between failures (MTBF)	100000 h	100000 h
Compatible productsKnown for one	Intel C6	Unknown — not stated by the source
Design1 differ
Product colour	Black	Black
Cooling typeKnown for one	Active	Unknown — not stated by the source
Fan diameterDiffers	8 cm	14 cm
Number of fansKnown for one	1 fan(s)	Unknown — not stated by the source
Fan speedKnown for one	3400	Unknown — not stated by the source
Fan locationKnown for one	Side	Unknown — not stated by the source
IlluminationKnown for one	No	Unknown — not stated by the source
LED indicatorsKnown for one	No	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 50 °C	Unknown — not stated by the source
Certificates1 differ
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
CertificationDiffers	WEEE, EU 2002/95/EG RoHS	FC, CE, CB, RoHS
Safety regulation & standardsidentical
SafetyKnown for one	CE, CB, TUV, N, S, Fl, D	Unknown — not stated by the source
Weight & dimensionsidentical
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
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
Technical detailsidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Other features1 differ
Dimensions (WxDxH)Differs	125 x 100 x 63.5 mm	150 x 160 x 87 mm
Parallel processing technology supportKnown for one	Not supported	Unknown — not stated by the source
Power managementKnown for one	No	Unknown — not stated by the source
Power over Ethernet (PoE)Known for one	No	Unknown — not stated by the source
Power supply typeKnown for one	AC/DC	Unknown — not stated by the source
Redundant power supply (RPS) supportKnown for one	No	Unknown — not stated by the source
Power rocker switchKnown for one	Yes	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.

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