Product comparison · 2 power supply units

HP 720478-B21 power supply unit vs HP Gold (Redundant)/900W (Non-Redundant) AC PSU

Key differences

Total power
- 720478-B21 power supply unit:500 W
- Gold (Redundant)/900W (Non-Redundant) AC PSU:800 W
Efficiency
- 720478-B21 power supply unit:94%
- Gold (Redundant)/900W (Non-Redundant) AC PSU:92%
80 PLUS certification
- 720478-B21 power supply unit:80 PLUS Platinum
- Gold (Redundant)/900W (Non-Redundant) AC PSU:80 PLUS Gold
Product colour
- 720478-B21 power supply unit:Metallic
- Gold (Redundant)/900W (Non-Redundant) AC PSU:Grey
Width
- 720478-B21 power supply unit:68 mm
- Gold (Redundant)/900W (Non-Redundant) AC PSU:107.2 mm
Depth
- 720478-B21 power supply unit:40.4 mm
- Gold (Redundant)/900W (Non-Redundant) AC PSU:51.8 mm
Height
- 720478-B21 power supply unit:225.3 mm
- Gold (Redundant)/900W (Non-Redundant) AC PSU:37 mm
Weight
- 720478-B21 power supply unit:910 g
- Gold (Redundant)/900W (Non-Redundant) AC PSU:400 g

Differences highlightedShow differences only

Comparison of 720478-B21, Gold (Redundant)/900W (Non-Redundant) AC PSU
12 specifications	A HP 720478-B21 power supply unit Model 720478-B21 View product	B HP Gold (Redundant)/900W (Non-Redundant) AC PSU View product
Power2 differ
Total powerDiffers	500 W	800 W
EfficiencyDiffers	94%	92%
AC input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Performance1 differ
Power supply unit (PSU) form factorKnown for one	Flex ATX	Unknown — not stated by the source
80 PLUS certificationDiffers	80 PLUS Platinum	80 PLUS Gold
Design1 differ
Product colourDiffers	Metallic	Grey
Weight & dimensions4 differ
WidthDiffers	68 mm	107.2 mm
DepthDiffers	40.4 mm	51.8 mm
HeightDiffers	225.3 mm	37 mm
WeightDiffers	910 g	400 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.