HP 720478-B21 power supply unit vs HP 720479-B21 power supply unit

Comparison of 720478-B21, 720479-B21

11 specifications	A HP 720478-B21 power supply unit Model 720478-B21 View product	B HP 720479-B21 power supply unit Model 720479-B21 View product
Power1 differ
Total powerDiffers	500 W	800 W
AC input voltage	100 - 240 V	100 - 240 V
Efficiency	94%	94%
Performanceidentical
Purpose	Server	Server
Power supply unit (PSU) form factor	Flex ATX	Flex ATX
80 PLUS certification	80 PLUS Platinum	80 PLUS Platinum
Designidentical
Product colour	Metallic	Metallic
Weight & dimensionsidentical
Width	68 mm	68 mm
Depth	40.4 mm	40.4 mm
Height	225.3 mm	225.3 mm
Weight	910 g	910 g

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.