Product comparison · 2 power supply units

StarTech.com 300 Watt ATX Replacement Computer PC Power Supply vs StarTech.com 400 Watt ATX12V 2.01 Dell Replacement Computer PC Power Supply

Key differences

Total power
- 300 Watt ATX Replacement Computer PC Power Supply:300 W
- 400 Watt ATX12V 2.01 Dell Replacement Computer PC Power Supply:400 W
Mean time between failures (MTBF)
- 300 Watt ATX Replacement Computer PC Power Supply:40000 h
- 400 Watt ATX12V 2.01 Dell Replacement Computer PC Power Supply:100000 h
Weight
- 300 Watt ATX Replacement Computer PC Power Supply:1.86 kg
- 400 Watt ATX12V 2.01 Dell Replacement Computer PC Power Supply:2.15 kg
Package width
- 300 Watt ATX Replacement Computer PC Power Supply:92 mm
- 400 Watt ATX12V 2.01 Dell Replacement Computer PC Power Supply:98 mm
Package depth
- 300 Watt ATX Replacement Computer PC Power Supply:238 mm
- 400 Watt ATX12V 2.01 Dell Replacement Computer PC Power Supply:234 mm
Package height
- 300 Watt ATX Replacement Computer PC Power Supply:162 mm
- 400 Watt ATX12V 2.01 Dell Replacement Computer PC Power Supply:216 mm
Package weight
- 300 Watt ATX Replacement Computer PC Power Supply:1.95 kg
- 400 Watt ATX12V 2.01 Dell Replacement Computer PC Power Supply:2.2 kg
Dimensions (WxDxH)
- 300 Watt ATX Replacement Computer PC Power Supply:149 x 150 x 85 mm
- 400 Watt ATX12V 2.01 Dell Replacement Computer PC Power Supply:140 x 150 x 86 mm

Differences highlightedShow differences only

Comparison of ATXPOWER300, ATXPW400DELL
15 specifications	A StarTech.com 300 Watt ATX Replacement Computer PC Power Supply Model ATXPOWER300 View product	B StarTech.com 400 Watt ATX12V 2.01 Dell Replacement Computer PC Power Supply Model ATXPW400DELL View product
Power1 differ
Total powerDiffers	300 W	400 W
AC input voltage	115 - 230 V	115 - 230 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Ports & interfaces1 differ
Cabling type	Non-Modular	Non-Modular
I/O portsDiffers	6 - LP4 F 2 - SP4 F 1 - ATX 20 pin F 1 - SATA Power F 1 - P4 ATX M 12V 1 - AUX 6-pin F	1 - Split 24/20 pin 4 - LP4 F 4 - SATA Power F 2 - SP4 F 1 - ATX P4 Power F
Performance1 differ
Noise levelKnown for one	27.4 dB	Unknown — not stated by the source
Mean time between failures (MTBF)Differs	40000 h	100000 h
Operational conditionsidentical
Operating temperature (T-T)	0 - 50 °C	0 - 50 °C
Storage temperature (T-T)	-20 - 80 °C	-20 - 80 °C
Weight & dimensions1 differ
WeightDiffers	1.86 kg	2.15 kg
Packaging data4 differ
Package widthDiffers	92 mm	98 mm
Package depthDiffers	238 mm	234 mm
Package heightDiffers	162 mm	216 mm
Package weightDiffers	1.95 kg	2.2 kg
Other features1 differ
Dimensions (WxDxH)Differs	149 x 150 x 85 mm	140 x 150 x 86 mm

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.