Chieftec BPS-350S power supply unit vs Chieftec BPS-400S power supply unit

Comparison of BPS-350S, BPS-400S

20 specifications	A Chieftec BPS-350S power supply unit Model BPS-350S View product	B Chieftec BPS-400S power supply unit Model BPS-400S View product
Power2 differ
Total powerDiffers	350 W	400 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Input current	2.5/5 A	2.5/5 A
Power protection featuresDiffers	Over current, Over power, Over voltage, Short circuit, Under voltage	Over current, Over voltage, Short circuit, Under voltage, Overload
Ports & interfacesidentical
Number of SATA power connectors	4	4
Peripheral (Molex) power connectors (4-pin)	3	3
PCI Express power connectors (6-pin)	1	1
ATX Power connector (24-pin)Known for one	—Unknown — not stated by the source	No
ATX power connector (20+4 pin)	Yes	Yes
Floppy drive power connector	1	1
Connector(s)Known for one	—Unknown — not stated by the source	1x 4pin 12V
Cabling type	Non-Modular	Non-Modular
ATX Power connector (20-pin)Known for one	No	—Unknown — not stated by the source
Performanceidentical
Power supply unit (PSU) form factor	ATX	ATX
Noise level	24 dB	24 dB
Mean time between failures (MTBF)	100000 h	100000 h
Designidentical
Fan diameter	12 cm	12 cm
Certificatesidentical
Certification	FC, CE, CB, RoHS	FC, CE, CB, RoHS
Other featuresidentical
Dimensions (WxDxH)	150 x 140 x 87 mm	150 x 140 x 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.