Product comparison · 2 power supply units

StarTech.com 450 Watt ATX12V 2.3 80 Plus Bronze Computer Power Supply w/ Active PFC vs StarTech.com 500 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC

Key differences

Total power
- 450 Watt ATX12V 2.3 80 Plus Bronze Computer Power Supply w/ Active PFC:450 W
- 500 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC:500 W
Max output current (+12V1)
- 450 Watt ATX12V 2.3 80 Plus Bronze Computer Power Supply w/ Active PFC:37 A
- 500 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC:35 A
Max output current (+12V2)
- 450 Watt ATX12V 2.3 80 Plus Bronze Computer Power Supply w/ Active PFC:37 A
- 500 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC:35 A
Max output current (+12V3)
- 450 Watt ATX12V 2.3 80 Plus Bronze Computer Power Supply w/ Active PFC:37 A
- 500 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC:35 A
Max output current (+12V4)
- 450 Watt ATX12V 2.3 80 Plus Bronze Computer Power Supply w/ Active PFC:37 A
- 500 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC:35 A
80 PLUS certification
- 450 Watt ATX12V 2.3 80 Plus Bronze Computer Power Supply w/ Active PFC:80 PLUS Bronze
- 500 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC:80 PLUS
Width
- 450 Watt ATX12V 2.3 80 Plus Bronze Computer Power Supply w/ Active PFC:68 mm
- 500 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC:85 mm
Weight
- 450 Watt ATX12V 2.3 80 Plus Bronze Computer Power Supply w/ Active PFC:197 g
- 500 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC:1.7 kg

Differences highlightedShow differences only

Comparison of ATX2PW450BR, ATX2PW500WH
48 specifications	A StarTech.com 450 Watt ATX12V 2.3 80 Plus Bronze Computer Power Supply w/ Active PFC Model ATX2PW450BR View product	B StarTech.com 500 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC Model ATX2PW500WH View product
Power5 differ
Total powerDiffers	450 W	500 W
Max output current (+12V1)Differs	37 A	35 A
Max output current (+12V2)Differs	37 A	35 A
Max output current (+12V3)Differs	37 A	35 A
Max output current (+12V4)Differs	37 A	35 A
EfficiencyKnown for one	Unknown — not stated by the source	80%
Performance1 differ
80 PLUS certificationDiffers	80 PLUS Bronze	80 PLUS
Weight & dimensions2 differ
WidthDiffers	68 mm	85 mm
WeightDiffers	197 g	1.7 kg
Packaging data4 differ
Package widthDiffers	215 mm	202 mm
Package depthDiffers	242 mm	235 mm
Package heightDiffers	127 mm	100 mm
Package weightDiffers	2.41 kg	1.9 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.