Product comparison · 2 power supply units

StarTech.com ATXPOW450PRO power supply unit vs StarTech.com ATXPW350HPCQ power supply unit

Key differences

Total power
- ATXPOW450PRO power supply unit:450 W
- ATXPW350HPCQ power supply unit:350 W
Number of SATA power connectors
- ATXPOW450PRO power supply unit:4
- ATXPW350HPCQ power supply unit:2
Certification
- ATXPOW450PRO power supply unit:UL, TUV, FCC, CSA
- ATXPW350HPCQ power supply unit:CISPR 22 Class B
Weight
- ATXPOW450PRO power supply unit:2 kg
- ATXPW350HPCQ power supply unit:1.3 kg

Differences highlightedShow differences only

Comparison of ATXPOW450PRO, ATXPW350HPCQ
18 specifications	A StarTech.com ATXPOW450PRO power supply unit Model ATXPOW450PRO View product	B StarTech.com ATXPW350HPCQ power supply unit Model ATXPW350HPCQ View product
Power1 differ
Total powerDiffers	450 W	350 W
AC input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Input currentKnown for one	10 A	Unknown — not stated by the source
Ports & interfaces2 differ
Number of SATA power connectorsDiffers	4	2
ATX Power connector (24-pin)	Yes	Yes
Connector(s)Differs	6x LP4 FM, 1x P4 ATX M, 2x SP4 FM	5 - LP4 F, 1 - SP4 F
Cabling typeKnown for one	Unknown — not stated by the source	Non-Modular
PCI Express power connectors (6-pin)Known for one	Yes	Unknown — not stated by the source
Performanceidentical
Mean time between failures (MTBF)	100000 h	100000 h
Power supply unit (PSU) form factorKnown for one	ATX	Unknown — not stated by the source
Designidentical
Fan diameter	8 cm	8 cm
Product colourKnown for one	Silver	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 50 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 70 °C
Certificates1 differ
CertificationDiffers	UL, TUV, FCC, CSA	CISPR 22 Class B
Weight & dimensions1 differ
WeightDiffers	2 kg	1.3 kg
Other featuresidentical
Dimensions (WxDxH)	140 x 150 x 86 mm	140 x 150 x 86 mm
Output voltage noteKnown for one	Unknown — not stated by the source	-12.0V, +12.0V1, +12.0V2, +3.3V, +5.0V, +5.0Vsb

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.