Product comparison · 2 power supply units

be quiet! BN262 power supply unit vs UNYKAch TFX 350W

32specifications compared
26differ
6identical
35known for one product only

Key differences

Total power
- BN262 power supply unit:400 W
- TFX 350W:350 W
AC input voltage
- BN262 power supply unit:100 - 240 V
- TFX 350W:110 - 240 V
AC input frequency
- BN262 power supply unit:50 - 60 Hz
- TFX 350W:47 - 63 Hz
Max output current (+3.3V)
- BN262 power supply unit:24 A
- TFX 350W:18 A
Max output current (+12V1)
- BN262 power supply unit:24 A
- TFX 350W:20 A
Max output current (+5V)
- BN262 power supply unit:15 A
- TFX 350W:18 A
Max output current (-12V)
- BN262 power supply unit:0.3 A
- TFX 350W:0.5 A
Max output current (+5Vsb)
- BN262 power supply unit:3 A
- TFX 350W:18 A

Side by side

Differences highlightedShow differences only

Comparison of BN262, TFX 350W
67 specifications	A be quiet! BN262 power supply unit Model BN262 View product	B UNYKAch TFX 350W View product
Power10 differ
Total powerDiffers	400 W	350 W
Peak powerKnown for one	450 W	Unknown — not stated by the source
AC input voltageDiffers	100 - 240 V	110 - 240 V
AC input frequencyDiffers	50 - 60 Hz	47 - 63 Hz
Input currentKnown for one	4 - 6 A	Unknown — not stated by the source
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)Known for one	120 W	Unknown — not stated by the source
Combined power (+12V)Known for one	384 W	Unknown — not stated by the source
Combined power (+5V)Known for one	120 W	Unknown — not stated by the source
Combined power (-12V)Known for one	3.6 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)Differs	24 A	18 A
Max output current (+12V1)Differs	24 A	20 A
Max output current (+12V2)Known for one	20 A	Unknown — not stated by the source
Max output current (+5V)Differs	15 A	18 A
Max output current (-12V)Differs	0.3 A	0.5 A
Max output current (+5Vsb)Differs	3 A	18 A
EfficiencyDiffers	91%	80%
Hold timeKnown for one	17 ms	Unknown — not stated by the source
Power protection featuresDiffers	Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage	Over power, Over voltage, Overcharge, Overheating, Overload, Short circuit, Under voltage
Ports & interfaces3 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Motherboard power cable lengthDiffers	45 cm	38 cm
Number of PATA power connectorsKnown for one	2	Unknown — not stated by the source
Number of SATA power connectorsDiffers	5	3
Peripheral (Molex) power connectors (4-pin)Differs	0	2
PCI Express power connectors (6+2 pin)Known for one	2	Unknown — not stated by the source
CPU power connector (4+4 pin)Known for one	Yes	Unknown — not stated by the source
ATX power connector (20+4 pin)Known for one	Yes	Unknown — not stated by the source
Floppy disk drive connectorKnown for one	Yes	Unknown — not stated by the source
Floppy drive power connectorKnown for one	1	Unknown — not stated by the source
PCI Express connectorKnown for one	Yes	Unknown — not stated by the source
Cabling type	Non-Modular	Non-Modular
SATA power cable lengthKnown for one	Unknown — not stated by the source	380,500 mm
Peripheral (Molex) power cable lengthKnown for one	Unknown — not stated by the source	660,380 mm
CPU P4 connector (4-pin)Known for one	Unknown — not stated by the source	1
CPU power cable lengthKnown for one	Unknown — not stated by the source	38 cm
Performance2 differ
PurposeDiffers	PC	PC/Server
Power supply unit (PSU) form factorDiffers	ATX	TFX
80 PLUS certificationKnown for one	80 PLUS Silver	Unknown — not stated by the source
ATX versionKnown for one	2.4	Unknown — not stated by the source
Bearing technologyKnown for one	Rifle	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	100000 h	Unknown — not stated by the source
Noise levelKnown for one	Unknown — not stated by the source	28 dB
Design2 differ
Product colourDiffers	Black	Silver
Fan diameterDiffers	12 cm	8 cm
Number of fans	1 fan(s)	1 fan(s)
Fan speedKnown for one	1024	Unknown — not stated by the source
On/off switchKnown for one	Yes	Unknown — not stated by the source
Cooling typeKnown for one	Unknown — not stated by the source	Active
Packaging contentidentical
Cables includedKnown for one	AC	Unknown — not stated by the source
Certificates1 differ
Compliance certificates	RoHS	RoHS
CertificationDiffers	CE, CB, TÜV, FCC, cTUVus, RCM (Australia), BSMI, CU (Russia)	EUP 2013 / EN60950 / TÜV / CE
Weight & dimensions4 differ
WidthDiffers	150 mm	85 mm
DepthDiffers	150 mm	175 mm
HeightDiffers	86 mm	65 mm
WeightDiffers	1.86 kg	844 g
Packaging data4 differ
ManualKnown for one	Yes	Unknown — not stated by the source
Package widthDiffers	240 mm	105 mm
Package depthDiffers	210 mm	200 mm
Package heightDiffers	96 mm	90 mm
Package weightDiffers	2.08 kg	1.04 kg
Package type	Box	Box
Technical detailsidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Other featuresidentical
Noise level (silent mode, <30%)Known for one	10.7 dB	Unknown — not stated by the source
Noise level (quiet mode, 50%)Known for one	11.2 dB	Unknown — not stated by the source
Noise level (full-load mode, 100%)Known for one	17.2 dB	Unknown — not stated by the source
Package volumeKnown for one	Unknown — not stated by the source	0.0019 cm³

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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