Product comparison · 2 power supply units

COUGAR SE400 power supply unit vs StarTech.com ATXPW550PRO2 power supply unit

13specifications compared
8differ
5identical
26known for one product only

Key differences

Total power
- SE400 power supply unit:400 W
- ATXPW550PRO2 power supply unit:550 W
Input current
- SE400 power supply unit:8 A
- ATXPW550PRO2 power supply unit:100 A
Efficiency
- SE400 power supply unit:90%
- ATXPW550PRO2 power supply unit:72%
Number of SATA power connectors
- SE400 power supply unit:6
- ATXPW550PRO2 power supply unit:7
Product colour
- SE400 power supply unit:Black, Orange
- ATXPW550PRO2 power supply unit:Silver
Fan diameter
- SE400 power supply unit:14 cm
- ATXPW550PRO2 power supply unit:12 cm
Dimensions (WxDxH)
- SE400 power supply unit:150 x 160 x 86 mm
- ATXPW550PRO2 power supply unit:150 x 140 x 86 mm

Side by side

Differences highlightedShow differences only

Comparison of SE400, ATXPW550PRO2
39 specifications	A COUGAR SE400 power supply unit Model SE400 View product	B StarTech.com ATXPW550PRO2 power supply unit Model ATXPW550PRO2 View product
Power4 differ
Total powerDiffers	400 W	550 W
Peak powerKnown for one	Unknown — not stated by the source	715 W
AC input voltage	100 - 240 V	100 - 240 V
Input currentDiffers	8 A	100 A
Max output current (+3.3V)Known for one	Unknown — not stated by the source	30 A
Max output current (+12V)Known for one	Unknown — not stated by the source	18 A
Max output current (+5V)Known for one	Unknown — not stated by the source	50 A
Max output current (-12V)Known for one	Unknown — not stated by the source	1 A
Max output current (+5Vsb)Known for one	Unknown — not stated by the source	2.5 A
EfficiencyDiffers	90%	72%
Power protection featuresDiffers	Over current, Over voltage, Overload, Short circuit, Under voltage	Over current, Over power, Over voltage, Short circuit
AC input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Ports & interfaces1 differ
Motherboard power connectorKnown for one	Unknown — not stated by the source	24-pin ATX
Number of SATA power connectorsDiffers	6	7
PCI Express power connectors (6-pin)	2	2
CPU power connector (4+4 pin)	Yes	Yes
Cabling type	Non-Modular	Non-Modular
I/O portsKnown for one	Unknown — not stated by the source	2 x SP4, 5 x LP4
Peripheral (Molex) power connectors (4-pin)Known for one	5	Unknown — not stated by the source
ATX power connector (20+4 pin)Known for one	Yes	Unknown — not stated by the source
Floppy drive power connectorKnown for one	1	Unknown — not stated by the source
Performanceidentical
PurposeKnown for one	Unknown — not stated by the source	PC
Power supply unit (PSU) form factorKnown for one	Unknown — not stated by the source	ATX
ATX versionKnown for one	Unknown — not stated by the source	2.01
EPS versionKnown for one	Unknown — not stated by the source	2.92
Noise levelKnown for one	Unknown — not stated by the source	31.8 dB
Bearing technologyKnown for one	Unknown — not stated by the source	FDB
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	100000 h
Design2 differ
Product colourDiffers	Black, Orange	Silver
Fan diameterDiffers	14 cm	12 cm
Number of fans	1 fan(s)	1 fan(s)
Fan speedKnown for one	Unknown — not stated by the source	1800
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 80 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	1.83 kg
Packaging dataidentical
Package weightKnown for one	Unknown — not stated by the source	2.04 kg
Other features1 differ
Dimensions (WxDxH)Differs	150 x 160 x 86 mm	150 x 140 x 86 mm
Power supply typeKnown for one	AC	Unknown — not stated by the source

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.

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