Product comparison · 2 power supply units

Chieftec APS-550SB power supply unit vs Chieftec SFX-350BS power supply unit

25specifications compared
16differ
9identical
14known for one product only

Key differences

Total power
- APS-550SB power supply unit:550 W
- SFX-350BS power supply unit:350 W
AC input voltage
- APS-550SB power supply unit:115 - 230 V
- SFX-350BS power supply unit:230 V
AC input frequency
- APS-550SB power supply unit:50 - 60 Hz
- SFX-350BS power supply unit:50 Hz
Combined power (+3.3V)
- APS-550SB power supply unit:120 W
- SFX-350BS power supply unit:105 W
Combined power (+5V)
- APS-550SB power supply unit:120 W
- SFX-350BS power supply unit:105 W
Max output current (+3.3V)
- APS-550SB power supply unit:22 A
- SFX-350BS power supply unit:16 A
Max output current (+5V)
- APS-550SB power supply unit:22 A
- SFX-350BS power supply unit:15 A
Motherboard power connector
- APS-550SB power supply unit:24-pin ATX
- SFX-350BS power supply unit:20+4 pin ATX

Side by side

Differences highlightedShow differences only

Comparison of APS-550SB, SFX-350BS
39 specifications	A Chieftec APS-550SB power supply unit Model APS-550SB View product	B Chieftec SFX-350BS power supply unit Model SFX-350BS View product
Power9 differ
Total powerDiffers	550 W	350 W
AC input voltageDiffers	115 - 230 V	230 V
AC input frequencyDiffers	50 - 60 Hz	50 Hz
Maximum input current (@110V)Differs	+12V,+3.3V,-12V	+12V,+12V1,+3.3V,+5V,+5Vsb,-12V
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)Differs	120 W	105 W
Combined power (+5V)Differs	120 W	105 W
Max output current (+3.3V)Differs	22 A	16 A
Max output current (+5V)Differs	22 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
Power protection featuresDiffers	Over current, Over voltage, Overload, Short circuit, Under voltage	Over current, Over voltage, Overload, Short circuit
Input currentKnown for one	Unknown — not stated by the source	3 A
Combined power (-12V)Known for one	Unknown — not stated by the source	3.6 W
Max output current (+12V1)Known for one	Unknown — not stated by the source	27 A
EfficiencyKnown for one	Unknown — not stated by the source	85%
Ports & interfaces2 differ
Motherboard power connectorDiffers	24-pin ATX	20+4 pin ATX
Peripheral (Molex) power connectors (4-pin)Differs	3	2
EPS power connector (8-pin)Known for one	Yes	Unknown — not stated by the source
PCI Express power connectors (6+2 pin)Known for one	1	Unknown — not stated by the source
ATX Power connector (24-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
Number of SATA power connectorsKnown for one	Unknown — not stated by the source	2
ATX power connector (20+4 pin)Known for one	Unknown — not stated by the source	Yes
Performanceidentical
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 version	2.3	2.3
Mean time between failures (MTBF)	100000 h	100000 h
Design2 differ
Product colourDiffers	Silver	Grey
Cooling type	Active	Active
Fan diameterDiffers	14 cm	8 cm
Number of fans	1 fan(s)	1 fan(s)
On/off switchKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	150 mm	100 mm
DepthDiffers	87 mm	125 mm
HeightDiffers	155 mm	64 mm
Packaging dataidentical
Package typeKnown for one	Unknown — not stated by the source	Box

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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