Product comparison · 2 power supply units

StarTech.com ATXPW500PRO2 power supply unit vs StarTech.com ATXPW550PRO2 power supply unit

Key differences

Total power
- ATXPW500PRO2 power supply unit:500 W
- ATXPW550PRO2 power supply unit:550 W
Peak power
- ATXPW500PRO2 power supply unit:650 W
- ATXPW550PRO2 power supply unit:715 W
Max output current (+5V)
- ATXPW500PRO2 power supply unit:45 A
- ATXPW550PRO2 power supply unit:50 A
Motherboard power connector
- ATXPW500PRO2 power supply unit:20+4 pin ATX
- ATXPW550PRO2 power supply unit:24-pin ATX
Number of SATA power connectors
- ATXPW500PRO2 power supply unit:5
- ATXPW550PRO2 power supply unit:7
ATX version
- ATXPW500PRO2 power supply unit:2.1
- ATXPW550PRO2 power supply unit:2.01
Noise level
- ATXPW500PRO2 power supply unit:33.31 dB
- ATXPW550PRO2 power supply unit:31.8 dB
Fan diameter
- ATXPW500PRO2 power supply unit:8 cm
- ATXPW550PRO2 power supply unit:12 cm

Differences highlightedShow differences only

Comparison of ATXPW500PRO2, ATXPW550PRO2
35 specifications	A StarTech.com ATXPW500PRO2 power supply unit Model ATXPW500PRO2 View product	B StarTech.com ATXPW550PRO2 power supply unit Model ATXPW550PRO2 View product
Power3 differ
Total powerDiffers	500 W	550 W
Peak powerDiffers	650 W	715 W
Max output current (+5V)Differs	45 A	50 A
Ports & interfaces2 differ
Motherboard power connectorDiffers	20+4 pin ATX	24-pin ATX
Number of SATA power connectorsDiffers	5	7
ATX Power connector (24-pin)Known for one	Yes	Unknown — not stated by the source
Performance2 differ
ATX versionDiffers	2.1	2.01
Noise levelDiffers	33.31 dB	31.8 dB
Design2 differ
Fan diameterDiffers	8 cm	12 cm
Fan speedDiffers	3500	1800
Weight & dimensions1 differ
WeightDiffers	1.8 kg	1.83 kg
Packaging data1 differ
Package weightDiffers	2.2 kg	2.04 kg

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.