Product comparison · 2 power supply units

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

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  • 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

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Comparison of GP-650B POWER SUPPLY, PW400
57 specifications
Power8 differ
Total powerDiffers650 W400 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Input currentDiffers9 - 4 A8 A
Maximum input current (@110V)Known for one9 AUnknown — not stated by the source
Maximum input current (@220V)Known for one4 AUnknown — not stated by the source
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)Differs108 W103 W
Combined power (+12V)Differs648 W360 W
Combined power (+5V)Differs108 W103 W
Combined power (-12V)3.6 W3.6 W
Combined power (+5Vsb)12.5 W12.5 W
Max output current (+3.3V)Differs18 A21 A
Max output current (+12V)Differs54 A30 A
Max output current (+5V)15 A15 A
Max output current (-12V)0.3 A0.3 A
Max output current (+5Vsb)2.5 A2.5 A
Power protection featuresDiffersOver power, Overcharge, Short circuit, Under voltageOver current, Over power, Over voltage, Short circuit, Under voltage
EfficiencyKnown for oneUnknown — not stated by the source84%
Ports & interfaces7 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Motherboard power cable lengthDiffers60 cm55 cm
Number of SATA power connectorsDiffers63
SATA power cable lengthDiffers150,500 mm150,450 mm
Peripheral (Molex) power connectors (4-pin)Differs32
Peripheral (Molex) power cable length150,500 mm150,500 mm
PCI Express power connectors (6+2 pin)Differs41
PCI Express power cable lengthDiffers65 cm50 cm
CPU P4 connector (4-pin)Known for one1Unknown — not stated by the source
CPU power connector (4+4 pin)YesYes
CPU power cable lengthDiffers60 cm55 cm
ATX power connector (20+4 pin)YesYes
Floppy disk drive connectorKnown for oneYesUnknown — not stated by the source
Cabling typeNon-ModularNon-Modular
Performance1 differ
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certificationDiffers80 PLUS Bronze80 PLUS
ATX versionKnown for one2.31Unknown — not stated by the source
Noise levelKnown for one39 dBUnknown — not stated by the source
Bearing technologyKnown for oneHDBUnknown — not stated by the source
Mean time between failures (MTBF)100000 h100000 h
Designidentical
Product colourBlackBlack
Cooling typeActiveActive
Fan diameter12 cm12 cm
Number of fans1 fan(s)1 fan(s)
Fan locationTopTop
On/off switchYesYes
Certificates1 differ
CertificationDiffersCE/CCC/BSMI/KCC/EAC/UL/TUV/RCM/FCC/PSECE/CCC/BSMI/KCC/EAC/UL/TUV/RCM/FCC
Weight & dimensions2 differ
WidthDiffers140 mm150 mm
DepthDiffers150 mm140 mm
Height86 mm86 mm
Packaging dataidentical
Package typeKnown for oneBoxUnknown — not stated by the source
ManualKnown for oneUnknown — not stated by the sourceYes
Logistics dataidentical
Harmonized System (HS) code8473302084733020
Other featuresidentical
Noise level (silent mode, <30%)Known for one20 dBUnknown — not stated by the source
Noise level (quiet mode, 50%)Known for one29 dBUnknown — not stated by the source
Noise level (full-load mode, 100%)Known for one39 dBUnknown — not stated by the source
Power managementKnown for oneYesUnknown — 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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