Product comparison · 2 power supply units

StarTech.com 250 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
- 250 Watt ATX Replacement Computer PC Power Supply:250 W
- 400 Watt ATX12V 2.01 Dell Replacement Computer PC Power Supply:400 W
Weight
- 250 Watt ATX Replacement Computer PC Power Supply:1.3 kg
- 400 Watt ATX12V 2.01 Dell Replacement Computer PC Power Supply:2.15 kg
Package width
- 250 Watt ATX Replacement Computer PC Power Supply:96 mm
- 400 Watt ATX12V 2.01 Dell Replacement Computer PC Power Supply:98 mm
Package depth
- 250 Watt ATX Replacement Computer PC Power Supply:238 mm
- 400 Watt ATX12V 2.01 Dell Replacement Computer PC Power Supply:234 mm
Package height
- 250 Watt ATX Replacement Computer PC Power Supply:165 mm
- 400 Watt ATX12V 2.01 Dell Replacement Computer PC Power Supply:216 mm
Package weight
- 250 Watt ATX Replacement Computer PC Power Supply:1.79 kg
- 400 Watt ATX12V 2.01 Dell Replacement Computer PC Power Supply:2.2 kg
Dimensions (WxDxH)
- 250 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 ATXPOWER250, ATXPW400DELL
17 specifications	A StarTech.com 250 Watt ATX Replacement Computer PC Power Supply Model ATXPOWER250 View product	B StarTech.com 400 Watt ATX12V 2.01 Dell Replacement Computer PC Power Supply Model ATXPW400DELL View product
Power1 differ
Total powerDiffers	250 W	400 W
AC input frequency	50 - 60 Hz	50 - 60 Hz
EfficiencyKnown for one	65%	Unknown — not stated by the source
AC input voltageKnown for one	Unknown — not stated by the source	115 - 230 V
Ports & interfacesidentical
ATX Power connector (24-pin)Known for one	Yes	Unknown — not stated by the source
Cabling type	Non-Modular	Non-Modular
I/O portsKnown for one	Unknown — not stated by the source	1 - Split 24/20 pin 4 - LP4 F 4 - SATA Power F 2 - SP4 F 1 - ATX P4 Power F
Performanceidentical
Noise levelKnown for one	27.4 dB	Unknown — not stated by the source
Mean time between failures (MTBF)	100000 h	100000 h
Operational conditionsidentical
Operating temperature (T-T)	0 - 50 °C	0 - 50 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 80 °C
Weight & dimensions1 differ
WeightDiffers	1.3 kg	2.15 kg
Packaging data4 differ
Package widthDiffers	96 mm	98 mm
Package depthDiffers	238 mm	234 mm
Package heightDiffers	165 mm	216 mm
Package weightDiffers	1.79 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.