Product comparison · 2 power supply units

StarTech.com Pro 630W ATX12V 2.3 80 Plus Computer Modular Power Supply vs StarTech.com ATXPW550PRO2 power supply unit

18specifications compared
11differ
7identical
22known for one product only

Key differences

Total power
- Pro 630W ATX12V 2.3 80 Plus Computer Modular Power Supply:630 W
- ATXPW550PRO2 power supply unit:550 W
Peak power
- Pro 630W ATX12V 2.3 80 Plus Computer Modular Power Supply:700 W
- ATXPW550PRO2 power supply unit:715 W
Input current
- Pro 630W ATX12V 2.3 80 Plus Computer Modular Power Supply:10 A
- ATXPW550PRO2 power supply unit:100 A
Efficiency
- Pro 630W ATX12V 2.3 80 Plus Computer Modular Power Supply:85.39%
- ATXPW550PRO2 power supply unit:72%
Number of SATA power connectors
- Pro 630W ATX12V 2.3 80 Plus Computer Modular Power Supply:6
- ATXPW550PRO2 power supply unit:7
PCI Express power connectors (6-pin)
- Pro 630W ATX12V 2.3 80 Plus Computer Modular Power Supply:1
- ATXPW550PRO2 power supply unit:2
Cabling type
- Pro 630W ATX12V 2.3 80 Plus Computer Modular Power Supply:Semi-Modular
- ATXPW550PRO2 power supply unit:Non-Modular
Noise level
- Pro 630W ATX12V 2.3 80 Plus Computer Modular Power Supply:31.3 dB
- ATXPW550PRO2 power supply unit:31.8 dB

Side by side

Differences highlightedShow differences only

Comparison of ATX2PW630PRO, ATXPW550PRO2
40 specifications	A StarTech.com Pro 630W ATX12V 2.3 80 Plus Computer Modular Power Supply Model ATX2PW630PRO View product	B StarTech.com ATXPW550PRO2 power supply unit Model ATXPW550PRO2 View product
Power4 differ
Total powerDiffers	630 W	550 W
Peak powerDiffers	700 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	85.39%	72%
Power protection featuresKnown for one	Unknown — not stated by the source	Over current, Over power, Over voltage, Short circuit
Ports & interfaces3 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)Differs	1	2
Cabling typeDiffers	Semi-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
PCI Express power connectors (8-pin)Known for one	2	Unknown — not stated by the source
ATX Power connector (24-pin)Known for one	Yes	Unknown — not stated by the source
Performance1 differ
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 levelDiffers	31.3 dB	31.8 dB
Bearing technologyKnown for one	Unknown — not stated by the source	FDB
Designidentical
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
Weight & dimensions1 differ
WeightDiffers	2.1 kg	1.83 kg
Packaging data1 differ
Package weightDiffers	2.6 kg	2.04 kg
Package widthKnown for one	100 mm	Unknown — not stated by the source
Package depthKnown for one	260 mm	Unknown — not stated by the source
Package heightKnown for one	220 mm	Unknown — not stated by the source
Other features1 differ
Dimensions (WxDxH)Differs	150 x 141 x 86 mm	150 x 140 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.

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