Product comparison · 2 power supply units

be quiet! Pure Power L8 vs Chieftec SFX-350BS power supply unit

27specifications compared
17differ
10identical
29known for one product only

Key differences

Total power
- Pure Power L8:300 W
- SFX-350BS power supply unit:350 W
AC input voltage
- Pure Power L8:100 - 240 V
- SFX-350BS power supply unit:230 V
AC input frequency
- Pure Power L8:50 - 60 Hz
- SFX-350BS power supply unit:50 Hz
Input current
- Pure Power L8:5 A
- SFX-350BS power supply unit:3 A
Combined power (+3.3V)
- Pure Power L8:103 W
- SFX-350BS power supply unit:105 W
Combined power (+5V)
- Pure Power L8:103 W
- SFX-350BS power supply unit:105 W
Max output current (+3.3V)
- Pure Power L8:21 A
- SFX-350BS power supply unit:16 A
Max output current (+12V1)
- Pure Power L8:23 A
- SFX-350BS power supply unit:27 A

Side by side

Differences highlightedShow differences only

Comparison of Pure Power L8, SFX-350BS
56 specifications	A be quiet! Pure Power L8 View product	B Chieftec SFX-350BS power supply unit Model SFX-350BS View product
Power10 differ
Total powerDiffers	300 W	350 W
Peak powerKnown for one	350 W	Unknown — not stated by the source
AC input voltageDiffers	100 - 240 V	230 V
AC input frequencyDiffers	50 - 60 Hz	50 Hz
Input currentDiffers	5 A	3 A
Power factorKnown for one	0.97	Unknown — not stated by the source
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)Differs	103 W	105 W
Combined power (+12V)Known for one	276 W	Unknown — not stated by the source
Combined power (+5V)Differs	103 W	105 W
Combined power (-12V)	3.6 W	3.6 W
Combined power (+5Vsb)Known for one	12.5 W	Unknown — not stated by the source
Max output current (+3.3V)Differs	21 A	16 A
Max output current (+12V1)Differs	23 A	27 A
Max output current (+12V2)Known for one	23 A	Unknown — not stated by the source
Max output current (+5V)	15 A	15 A
Max output current (-12V)	0.3 A	0.3 A
Max output current (+5Vsb)Known for one	2.5 A	Unknown — not stated by the source
EfficiencyDiffers	88%	85%
Hold timeKnown for one	16 ms	Unknown — not stated by the source
Power protection featuresDiffers	Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage	Over current, Over voltage, Overload, Short circuit
Maximum input current (@110V)Known for one	Unknown — not stated by the source	+12V,+12V1,+3.3V,+5V,+5Vsb,-12V
Ports & interfaces1 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	3	2
Peripheral (Molex) power connectors (4-pin)	2	2
PCI Express power connectors (6+2 pin)Known for one	1	Unknown — not stated by the source
CPU power connector (4+4 pin)Known for one	Yes	Unknown — not stated by the source
Floppy drive power connectorKnown for one	1	Unknown — not stated by the source
Cabling type	Non-Modular	Non-Modular
ATX power connector (20+4 pin)Known for one	Unknown — not stated by the source	Yes
Performance1 differ
Purpose	PC	PC
Power supply unit (PSU) form factor	ATX	ATX
80 PLUS certificationKnown for one	80 PLUS Bronze	Unknown — not stated by the source
ATX versionDiffers	2.4	2.3
EPS versionKnown for one	2.92	Unknown — not stated by the source
Noise levelKnown for one	16.6 dB	Unknown — not stated by the source
Mean time between failures (MTBF)	100000 h	100000 h
Design2 differ
Product colourDiffers	Black	Grey
Fan diameterDiffers	12 cm	8 cm
Cooling typeKnown for one	Unknown — not stated by the source	Active
Number of fansKnown for one	Unknown — not stated by the source	1 fan(s)
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
CertificationKnown for one	CE, CB, TUV, WEEE	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	150 mm	100 mm
DepthDiffers	150 mm	125 mm
HeightDiffers	86 mm	64 mm
WeightKnown for one	1.93 kg	Unknown — not stated by the source
Packaging dataidentical
Package widthKnown for one	105 mm	Unknown — not stated by the source
Package depthKnown for one	230 mm	Unknown — not stated by the source
Package heightKnown for one	280 mm	Unknown — not stated by the source
Package weightKnown for one	2.32 kg	Unknown — not stated by the source
Package typeKnown for one	Unknown — not stated by the source	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	13.4 dB	Unknown — not stated by the source
Noise level (quiet mode, 50%)Known for one	13.8 dB	Unknown — not stated by the source
Noise level (full-load mode, 100%)Known for one	16.6 dB	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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