Product comparison · 2 power supply units

Chieftec SFX-350BS power supply unit vs Zalman ZM400-LE power supply unit

28specifications compared
17differ
11identical
20known for one product only

Key differences

Total power
- SFX-350BS power supply unit:350 W
- ZM400-LE power supply unit:400 W
AC input voltage
- SFX-350BS power supply unit:230 V
- ZM400-LE power supply unit:115 V
AC input frequency
- SFX-350BS power supply unit:50 Hz
- ZM400-LE power supply unit:47 - 63 Hz
Input current
- SFX-350BS power supply unit:3 A
- ZM400-LE power supply unit:8 A
Combined power (+3.3V)
- SFX-350BS power supply unit:105 W
- ZM400-LE power supply unit:120 W
Combined power (+5V)
- SFX-350BS power supply unit:105 W
- ZM400-LE power supply unit:120 W
Max output current (+12V1)
- SFX-350BS power supply unit:27 A
- ZM400-LE power supply unit:17 A
Efficiency
- SFX-350BS power supply unit:85%
- ZM400-LE power supply unit:81%

Side by side

Differences highlightedShow differences only

Comparison of SFX-350BS, ZM400-LE
48 specifications	A Chieftec SFX-350BS power supply unit Model SFX-350BS View product	B Zalman ZM400-LE power supply unit Model ZM400-LE View product
Power10 differ
Total powerDiffers	350 W	400 W
AC input voltageDiffers	230 V	115 V
AC input frequencyDiffers	50 Hz	47 - 63 Hz
Input currentDiffers	3 A	8 A
Maximum input current (@110V)Differs	+12V,+12V1,+3.3V,+5V,+5Vsb,-12V	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Power factorKnown for one	Unknown — not stated by the source	0.5
Combined power (+3.3V)Differs	105 W	120 W
Combined power (+12V)Known for one	Unknown — not stated by the source	300 W
Combined power (+5V)Differs	105 W	120 W
Combined power (+5Vsb)Known for one	Unknown — not stated by the source	10 W
Max output current (+12V1)Differs	27 A	17 A
Max output current (+12V2)Known for one	Unknown — not stated by the source	14 A
Max output current (+5Vsb)Known for one	Unknown — not stated by the source	2 A
EfficiencyDiffers	85%	81%
Power protection featuresDiffers	Over current, Over voltage, Overload, Short circuit	Over power, Over voltage, Short circuit, Under voltage
Power Factor Correction (PFC) typeKnown for one	Active	Unknown — not stated by the source
Ports & interfaces2 differ
Number of SATA power connectorsDiffers	2	4
Peripheral (Molex) power connectors (4-pin)Differs	2	3
PCI Express power connectors (6-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 connectorKnown for one	Unknown — not stated by the source	1
ATX power connector (20+4 pin)Known for one	Yes	Unknown — not stated by the source
Performanceidentical
Mean time between failures (MTBF)Known for one	100000 h	Unknown — not stated by the source
Design2 differ
Product colourDiffers	Grey	Black
Fan diameterDiffers	8 cm	12 cm
Fan locationKnown for one	Unknown — not stated by the source	Side
On/off switchKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 85%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	ErP Lot 6
Weight & dimensions3 differ
WidthDiffers	100 mm	150 mm
DepthDiffers	125 mm	140 mm
HeightDiffers	64 mm	86 mm
WeightKnown for one	Unknown — not stated by the source	1.7 kg
Packaging dataidentical
Package typeKnown for one	Box	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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