Product comparison · 2 power supply units

be quiet! BN134 power supply unit vs be quiet! TFX Power

42specifications compared
16differ
26identical
21known for one product only

Key differences

Total power
- BN134 power supply unit:350 W
- TFX Power:300 W
Input current
- BN134 power supply unit:4.5 A
- TFX Power:2.5 - 4.5 A
Combined power (+3.3V)
- BN134 power supply unit:60 W
- TFX Power:110 W
Combined power (+12V)
- BN134 power supply unit:200 W
- TFX Power:250 W
Combined power (+5V)
- BN134 power supply unit:65 W
- TFX Power:110 W
Combined power (+5Vsb)
- BN134 power supply unit:12.5 W
- TFX Power:10 W
Max output current (+12V)
- BN134 power supply unit:30 A
- TFX Power:20.83 A
Max output current (+5Vsb)
- BN134 power supply unit:2.5 A
- TFX Power:2 A

Side by side

Differences highlightedShow differences only

Comparison of BN134, TFX Power
63 specifications	A be quiet! BN134 power supply unit Model BN134 View product	B be quiet! TFX Power View product
Power9 differ
Total powerDiffers	350 W	300 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Input currentDiffers	4.5 A	2.5 - 4.5 A
Power factor	0.9	0.9
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)Differs	60 W	110 W
Combined power (+12V)Differs	200 W	250 W
Combined power (+5V)Differs	65 W	110 W
Combined power (-12V)	6 W	6 W
Combined power (+5Vsb)Differs	12.5 W	10 W
Max output current (+3.3V)	20 A	20 A
Max output current (+12V)Differs	30 A	20.83 A
Max output current (+5V)	22 A	22 A
Max output current (-12V)	0.5 A	0.5 A
Max output current (+5Vsb)Differs	2.5 A	2 A
Efficiency	86%	86%
Hold time	17 ms	17 ms
Power protection featuresDiffers	Over current, Over power, Over voltage, Short circuit, Under voltage, Overheating	Over current, Over power, Over voltage, Short circuit, Under voltage
Maximum input current (@110V)Known for one	Unknown — not stated by the source	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Max output current (+12V1)Known for one	Unknown — not stated by the source	14 A
Max output current (+12V2)Known for one	Unknown — not stated by the source	16 A
Ports & interfacesidentical
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectors	2	2
Peripheral (Molex) power connectors (4-pin)	3	3
PCI Express power connectors (6-pin)Known for one	1	Unknown — not stated by the source
CPU P4 connector (4-pin)	1	1
Floppy drive power connector	1	1
Connector(s)Known for one	IEC C14	Unknown — not stated by the source
Cabling type	Non-Modular	Non-Modular
Monitor outletKnown for one	No	Unknown — not stated by the source
Performance1 differ
Purpose	PC	PC
Power supply unit (PSU) form factorDiffers	SFX	TFX
80 PLUS certification	80 PLUS	80 PLUS
Mean time between failures (MTBF)	100000 h	100000 h
ATX versionKnown for one	Unknown — not stated by the source	2.3
Bearing technologyKnown for one	Unknown — not stated by the source	Rifle
Design1 differ
Product colour	Black	Black
Cooling type	Active	Active
Fan diameter	8 cm	8 cm
Number of fans	1 fan(s)	1 fan(s)
Fan speedDiffers	4000	3600
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
On/off switchKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)	10 - 50 °C	10 - 50 °C
Certificates1 differ
Compliance certificates	RoHS	RoHS
CertificationDiffers	WEEE, EU 2002/95/EG RoHS	CE, CB, TÜV, Nemko (N), Semko (S), Fimko (FI), Demko (D)
Safety regulation & standardsidentical
SafetyKnown for one	CE, CB, TUV, N, S, Fl, D	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	125 mm	85 mm
DepthDiffers	100 mm	175 mm
HeightDiffers	63.5 mm	70 mm
WeightKnown for one	1 kg	Unknown — not stated by the source
Technical detailsidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Other features1 differ
Package dimensions (WxDxH)Differs	199 x 195 x 75 mm	159 x 195 x 80 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
Packaging dataidentical
Package weightKnown for one	Unknown — not stated by the source	1.41 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.

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