Product comparison · 2 power supply units

GIGABYTE GP-650B POWER SUPPLY vs GIGABYTE PW400 power supply unit

43specifications compared
19differ
24identical
14known for one product only

Key differences

Total power
- GP-650B POWER SUPPLY:650 W
- PW400 power supply unit:400 W
Input current
- GP-650B POWER SUPPLY:9 - 4 A
- PW400 power supply unit:8 A
Combined power (+3.3V)
- GP-650B POWER SUPPLY:108 W
- PW400 power supply unit:103 W
Combined power (+12V)
- GP-650B POWER SUPPLY:648 W
- PW400 power supply unit:360 W
Combined power (+5V)
- GP-650B POWER SUPPLY:108 W
- PW400 power supply unit:103 W
Max output current (+3.3V)
- GP-650B POWER SUPPLY:18 A
- PW400 power supply unit:21 A
Max output current (+12V)
- GP-650B POWER SUPPLY:54 A
- PW400 power supply unit:30 A
Motherboard power cable length
- GP-650B POWER SUPPLY:60 cm
- PW400 power supply unit:55 cm

Side by side

Differences highlightedShow differences only

Comparison of GP-650B POWER SUPPLY, PW400
57 specifications	A GIGABYTE GP-650B POWER SUPPLY View product	B GIGABYTE PW400 power supply unit Model PW400 View product
Power8 differ
Total powerDiffers	650 W	400 W
Input currentDiffers	9 - 4 A	8 A
Maximum input current (@110V)Known for one	9 A	Unknown — not stated by the source
Maximum input current (@220V)Known for one	4 A	Unknown — not stated by the source
Combined power (+3.3V)Differs	108 W	103 W
Combined power (+12V)Differs	648 W	360 W
Combined power (+5V)Differs	108 W	103 W
Max output current (+3.3V)Differs	18 A	21 A
Max output current (+12V)Differs	54 A	30 A
Power protection featuresDiffers	Over power, Overcharge, Short circuit, Under voltage	Over current, Over power, Over voltage, Short circuit, Under voltage
EfficiencyKnown for one	Unknown — not stated by the source	84%
Ports & interfaces7 differ
Motherboard power cable lengthDiffers	60 cm	55 cm
Number of SATA power connectorsDiffers	6	3
SATA power cable lengthDiffers	150,500 mm	150,450 mm
Peripheral (Molex) power connectors (4-pin)Differs	3	2
PCI Express power connectors (6+2 pin)Differs	4	1
PCI Express power cable lengthDiffers	65 cm	50 cm
CPU P4 connector (4-pin)Known for one	1	Unknown — not stated by the source
CPU power cable lengthDiffers	60 cm	55 cm
Floppy disk drive connectorKnown for one	Yes	Unknown — not stated by the source
Performance1 differ
80 PLUS certificationDiffers	80 PLUS Bronze	80 PLUS
ATX versionKnown for one	2.31	Unknown — not stated by the source
Noise levelKnown for one	39 dB	Unknown — not stated by the source
Bearing technologyKnown for one	HDB	Unknown — not stated by the source
Certificates1 differ
CertificationDiffers	CE/CCC/BSMI/KCC/EAC/UL/TUV/RCM/FCC/PSE	CE/CCC/BSMI/KCC/EAC/UL/TUV/RCM/FCC
Weight & dimensions2 differ
WidthDiffers	140 mm	150 mm
DepthDiffers	150 mm	140 mm
Packaging dataidentical
Package typeKnown for one	Box	Unknown — not stated by the source
ManualKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Noise level (silent mode, <30%)Known for one	20 dB	Unknown — not stated by the source
Noise level (quiet mode, 50%)Known for one	29 dB	Unknown — not stated by the source
Noise level (full-load mode, 100%)Known for one	39 dB	Unknown — not stated by the source
Power managementKnown for one	Yes	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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