Chieftec APS-400S power supply unit vs Chieftec APS-450S power supply unit

Comparison of APS-400S, APS-450S

16 specifications	A Chieftec APS-400S power supply unit Model APS-400S View product	B Chieftec APS-450S power supply unit Model APS-450S View product
Power1 differ
Total powerDiffers	400 W	450 W
AC input voltage	100 - 240 V	100 - 240 V
Efficiency	80%	80%
Power protection features	Over current, Over voltage, Overload	Over current, Over voltage, Overload
Ports & interfacesidentical
Number of SATA power connectors	3	3
Peripheral (Molex) power connectors (4-pin)	Yes	Yes
PCI Express power connectors (6-pin)	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
ATX power connector (20+4 pin)	Yes	Yes
Floppy drive power connector	1	1
Cabling type	Non-Modular	Non-Modular
Designidentical
Fan diameter	14 cm	14 cm
Other featuresidentical
Power over Ethernet (PoE)	No	No
Power supply typeKnown for one	ATX 12V 2.3	—Unknown — not stated by the source
Redundant power supply (RPS) support	No	No
Dimensions (WxDxH)Known for one	—Unknown — not stated by the source	155 x 150 x 85 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.