Product comparison · 2 power supply units

FSP PT-850FM power supply unit vs UNYKAch 51953 power supply unit

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  • 18specifications compared
  • 13differ
  • 5identical
  • 31known for one product only

Key differences

  • Total power
    • PT-850FM power supply unit:850 W
    • 51953 power supply unit:450 W
  • AC input voltage
    • PT-850FM power supply unit:100 - 240 V
    • 51953 power supply unit:220 V
  • Motherboard power connector
    • PT-850FM power supply unit:24-pin ATX
    • 51953 power supply unit:20+4 pin ATX
  • Number of SATA power connectors
    • PT-850FM power supply unit:13
    • 51953 power supply unit:2
  • Peripheral (Molex) power connectors (4-pin)
    • PT-850FM power supply unit:6
    • 51953 power supply unit:1
  • Power supply unit (PSU) form factor
    • PT-850FM power supply unit:ATX
    • 51953 power supply unit:SFX
  • Product colour
    • PT-850FM power supply unit:Black
    • 51953 power supply unit:Grey
  • Fan diameter
    • PT-850FM power supply unit:13.5 cm
    • 51953 power supply unit:8 cm

Side by side

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Comparison of PT-850FM, 51953
49 specifications
Power3 differ
Total powerDiffers850 W450 W
AC input voltageDiffers100 - 240 V220 V
AC input frequencyKnown for one50 - 60 HzUnknown — not stated by the source
Maximum input current (@110V)Known for one+12V,+3.3V,+5V,+5Vsb,-12VUnknown — not stated by the source
Power Factor Correction (PFC) typeKnown for oneActiveUnknown — not stated by the source
Combined power (+3.3V)Known for one160 WUnknown — not stated by the source
Combined power (+12V)Known for one840 WUnknown — not stated by the source
Combined power (+5V)Known for one160 WUnknown — not stated by the source
Combined power (-12V)Known for one24.6 WUnknown — not stated by the source
Combined power (+5Vsb)Known for one24.6 WUnknown — not stated by the source
Max output current (+3.3V)Known for one25 AUnknown — not stated by the source
Max output current (+12V)Known for one70 AUnknown — not stated by the source
Max output current (+5V)Known for one25 AUnknown — not stated by the source
Max output current (-12V)Known for one0.8 AUnknown — not stated by the source
Max output current (+5Vsb)Known for one3 AUnknown — not stated by the source
EfficiencyKnown for one92%Unknown — not stated by the source
Power protection featuresDiffersOver current, Over voltage, Short circuitOver voltage, Short circuit
Ports & interfaces3 differ
Motherboard power connectorDiffers24-pin ATX20+4 pin ATX
Number of SATA power connectorsDiffers132
Peripheral (Molex) power connectors (4-pin)Differs61
PCI Express power connectors (6+2 pin)Known for one8Unknown — not stated by the source
CPU power connector (4+4 pin)Known for oneYesUnknown — not stated by the source
ATX Power connector (24-pin)Known for oneYesUnknown — not stated by the source
Floppy disk drive connectorKnown for oneYesUnknown — not stated by the source
Floppy drive power connectorKnown for one1Unknown — not stated by the source
Cabling typeKnown for oneFully-ModularUnknown — not stated by the source
Number of PATA power connectorsKnown for oneUnknown — not stated by the source2
ATX power connector (20+4 pin)Known for oneUnknown — not stated by the sourceYes
Performance1 differ
PurposePCPC
Power supply unit (PSU) form factorDiffersATXSFX
80 PLUS certificationKnown for one80 PLUS PlatinumUnknown — not stated by the source
ATX versionKnown for one2.31Unknown — not stated by the source
EPS versionKnown for one2.92Unknown — not stated by the source
Noise levelKnown for one21 dBUnknown — not stated by the source
Supported motherboard form factorsKnown for oneUnknown — not stated by the sourcemicro ATX
Design3 differ
Product colourDiffersBlackGrey
Cooling typeActiveActive
Fan diameterDiffers13.5 cm8 cm
Number of fans1 fan(s)1 fan(s)
Fan locationDiffersSideTop
On/off switchYesYes
Certificatesidentical
Compliance certificatesRoHSRoHS
Safety regulation & standardsidentical
SafetyKnown for oneVUnknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers150 mm125 mm
DepthDiffers190 mm100 mm
HeightDiffers86 mm64 mm
Technical detailsidentical
Sustainability certificatesKnown for oneENERGY STARUnknown — not stated by the source
Other featuresidentical
Omnigrid (2-pin) power connectorsKnown for one1Unknown — not stated by the source
Packaging dataidentical
ManualKnown for oneUnknown — not stated by the sourceYes

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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