Product comparison · 2 power supply units

StarTech.com 430 Watt ATX12V 2.3 80 Plus PRO Computer Power Supply vs StarTech.com ATXPW550PRO2 power supply unit

19specifications compared
12differ
7identical
26known for one product only

Key differences

Total power
- 430 Watt ATX12V 2.3 80 Plus PRO Computer Power Supply:430 W
- ATXPW550PRO2 power supply unit:550 W
Peak power
- 430 Watt ATX12V 2.3 80 Plus PRO Computer Power Supply:500 W
- ATXPW550PRO2 power supply unit:715 W
Input current
- 430 Watt ATX12V 2.3 80 Plus PRO Computer Power Supply:10 A
- ATXPW550PRO2 power supply unit:100 A
Efficiency
- 430 Watt ATX12V 2.3 80 Plus PRO Computer Power Supply:84.81%
- ATXPW550PRO2 power supply unit:72%
Number of SATA power connectors
- 430 Watt ATX12V 2.3 80 Plus PRO Computer Power Supply:5
- ATXPW550PRO2 power supply unit:7
Noise level
- 430 Watt ATX12V 2.3 80 Plus PRO Computer Power Supply:31.3 dB
- ATXPW550PRO2 power supply unit:31.8 dB
Product colour
- 430 Watt ATX12V 2.3 80 Plus PRO Computer Power Supply:Grey
- ATXPW550PRO2 power supply unit:Silver
Fan diameter
- 430 Watt ATX12V 2.3 80 Plus PRO Computer Power Supply:8 cm
- ATXPW550PRO2 power supply unit:12 cm

Side by side

Differences highlightedShow differences only

Comparison of ATX2PW430PRO, ATXPW550PRO2
45 specifications	A StarTech.com 430 Watt ATX12V 2.3 80 Plus PRO Computer Power Supply Model ATX2PW430PRO View product	B StarTech.com ATXPW550PRO2 power supply unit Model ATXPW550PRO2 View product
Power4 differ
Total powerDiffers	430 W	550 W
Peak powerDiffers	500 W	715 W
AC input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Input currentDiffers	10 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	84.81%	72%
Power protection features	Over current, Over power, Over voltage, Short circuit	Over current, Over power, Over voltage, Short circuit
Ports & interfaces1 differ
Motherboard power connectorKnown for one	Unknown — not stated by the source	24-pin ATX
Number of SATA power connectorsDiffers	5	7
PCI Express power connectors (6-pin)	2	2
CPU power connector (4+4 pin)Known for one	Unknown — not stated by the source	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	3	Unknown — not stated by the source
EPS power connector (8-pin)Known for one	Yes	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
Performance1 differ
PurposeKnown for one	Unknown — not stated by the source	PC
Power supply unit (PSU) form factor	ATX	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 levelDiffers	31.3 dB	31.8 dB
Bearing technologyKnown for one	Unknown — not stated by the source	FDB
Mean time between failures (MTBF)	100000 h	100000 h
Design2 differ
Product colourDiffers	Grey	Silver
Fan diameterDiffers	8 cm	12 cm
Number of fansKnown for one	Unknown — not stated by the source	1 fan(s)
Fan speedKnown for one	Unknown — not stated by the source	1800
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 40 °F	0 - 40 °C
Storage temperature (T-T)	-20 - 80 °C	-20 - 80 °C
Operating relative humidity (H-H)Differs	5 - 90%	10 - 90%
Weight & dimensions1 differ
WeightDiffers	1.71 kg	1.83 kg
Packaging data1 differ
Package weightDiffers	1.96 kg	2.04 kg
Package widthKnown for one	100 mm	Unknown — not stated by the source
Package depthKnown for one	225 mm	Unknown — not stated by the source
Package heightKnown for one	225 mm	Unknown — not stated by the source
Other featuresidentical
Dimensions (WxDxH)	150 x 140 x 86 mm	150 x 140 x 86 mm
Maximum currentKnown for one	60 A	Unknown — not stated by the source
Output voltage noteKnown for one	+12.0V1, +12.0V2, +12.0V3, +12.0V4, -12.0V, +3.3V, +5.0V, +5.0Vsb	Unknown — not stated by the source
Ports quantityKnown for one	13	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	CE, FCC, 80 Plus, RoHS	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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