Product comparison · 2 power supply units

GIGABYTE P650B power supply unit vs GIGABYTE PW400 power supply unit

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  • 36specifications compared
  • 16differ
  • 20identical
  • 13known for one product only

Key differences

  • Total power
    • P650B power supply unit:650 W
    • PW400 power supply unit:400 W
  • Input current
    • P650B power supply unit:9, 4 A
    • PW400 power supply unit:8 A
  • Combined power (+3.3V)
    • P650B power supply unit:108 W
    • PW400 power supply unit:103 W
  • Combined power (+12V)
    • P650B power supply unit:648 W
    • PW400 power supply unit:360 W
  • Combined power (+5V)
    • P650B power supply unit:108 W
    • PW400 power supply unit:103 W
  • Max output current (+3.3V)
    • P650B power supply unit:18 A
    • PW400 power supply unit:21 A
  • Max output current (+12V)
    • P650B power supply unit:0.3 A
    • PW400 power supply unit:30 A
  • Efficiency
    • P650B power supply unit:85%
    • PW400 power supply unit:84%

Side by side

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Comparison of P650B, PW400
49 specifications
Power9 differ
Total powerDiffers650 W400 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Input currentDiffers9, 4 A8 A
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)Differs0.3 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
EfficiencyDiffers85%84%
Power protection featuresDiffersOver power, Over voltage, Overcharge, Short circuit, Under voltageOver current, Over power, Over voltage, Short circuit, Under voltage
Ports & interfaces3 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Motherboard power cable lengthKnown for oneUnknown — not stated by the source55 cm
Number of SATA power connectorsDiffers63
SATA power cable lengthKnown for oneUnknown — not stated by the source150,450 mm
Peripheral (Molex) power connectors (4-pin)Differs32
Peripheral (Molex) power cable lengthKnown for oneUnknown — not stated by the source150,500 mm
PCI Express power connectors (6+2 pin)Differs41
PCI Express power cable lengthKnown for oneUnknown — not stated by the source50 cm
CPU power connector (4+4 pin)YesYes
CPU power cable lengthKnown for oneUnknown — not stated by the source55 cm
ATX power connector (20+4 pin)Known for oneUnknown — not stated by the sourceYes
Cabling typeNon-ModularNon-Modular
ATX Power connector (24-pin)Known for oneYesUnknown — not stated by the source
Floppy disk drive connectorKnown for oneYesUnknown — not stated by the source
PCI Express connectorKnown for oneYesUnknown — not stated by the source
Performance1 differ
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certificationDiffers80 PLUS Bronze80 PLUS
Mean time between failures (MTBF)100000 h100000 h
ATX versionKnown for one2.31Unknown — not stated by the source
Designidentical
Product colourBlackBlack
Cooling typeKnown for oneUnknown — not stated by the sourceActive
Fan diameter12 cm12 cm
Number of fans1 fan(s)1 fan(s)
Fan locationTopTop
On/off switchKnown for oneUnknown — not stated by the sourceYes
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
ManualKnown for oneUnknown — not stated by the sourceYes
Logistics dataidentical
Harmonized System (HS) code8473302084733020

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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