Product comparison · 2 power supply units

Chieftec APS-400SB power supply unit vs Chieftec APS-500SB power supply unit

Key differences

Total power
- APS-400SB power supply unit:400 W
- APS-500SB power supply unit:500 W
Max output current (+12V1)
- APS-400SB power supply unit:16 A
- APS-500SB power supply unit:20 A
Max output current (+12V2)
- APS-400SB power supply unit:16 A
- APS-500SB power supply unit:20 A
Number of SATA power connectors
- APS-400SB power supply unit:3
- APS-500SB power supply unit:6

Differences highlightedShow differences only

Comparison of APS-400SB, APS-500SB
31 specifications	A Chieftec APS-400SB power supply unit Model APS-400SB View product	B Chieftec APS-500SB power supply unit Model APS-500SB View product
Power4 differ
Total powerDiffers	400 W	500 W
AC input voltage	115 - 230 V	115 - 230 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Power factor	0.9	0.9
Power Factor Correction (PFC) type	Active	Active
Max output current (+3.3V)	20 A	20 A
Max output current (+12V1)Differs	16 A	20 A
Max output current (+12V2)Differs	16 A	20 A
Max output current (+5V)	20 A	20 A
Max output current (-12V)	0.3 A	0.3 A
Max output current (+5Vsb)	2.5 A	2.5 A
Efficiency	85%	85%
Power protection featuresDiffers	Over current, Over voltage, Overheating, Overload, Short circuit, Under voltage	Over voltage, Overheating, Overload, Short circuit, Under voltage
Ports & interfaces1 differ
Motherboard power connector	24-pin ATX	24-pin ATX
Number of SATA power connectorsDiffers	3	6
Peripheral (Molex) power connectors (4-pin)	3	3
PCI Express power connectors (6-pin)Known for one	1	Unknown — not stated by the source
Floppy drive power connector	1	1
Cabling type	Non-Modular	Non-Modular
Performanceidentical
Power supply unit (PSU) form factor	PS/2	PS/2
80 PLUS certification	80 PLUS Bronze	80 PLUS Bronze
ATX version	2.3	2.3
Mean time between failures (MTBF)	100000 h	100000 h
Designidentical
Product colour	Grey	Grey
Cooling type	Active	Active
Fan diameter	14 cm	14 cm
Number of fans	1 fan(s)	1 fan(s)
Certificatesidentical
Compliance certificates	RoHS	RoHS
Weight & dimensionsidentical
Width	150 mm	150 mm
Depth	155 mm	155 mm
Height	87 mm	87 mm

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.