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Product comparison · 2 power supply units

FSP MEGA PM 1200W Power supply unit ATX ATX3.1 Black vs GENESIS Nihon 650NM

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  • 45specifications compared
  • 22differ
  • 23identical
  • 18known for one product only

Key differences

The FSP MEGA PM 1200W Power supply unit ATX ATX3.1 Black has 550 W more total power than the GENESIS Nihon 650NM (1200 W vs 650 W). The FSP MEGA PM 1200W Power supply unit ATX ATX3.1 Black has 20 W more combined power (+3.3V) than the GENESIS Nihon 650NM (120 W vs 100 W). The FSP MEGA PM 1200W Power supply unit ATX ATX3.1 Black has 552 W more combined power (+12V) than the GENESIS Nihon 650NM (1200 W vs 648 W). Input current: 15 - 8 A on the FSP MEGA PM 1200W Power supply unit ATX ATX3.1 Black, 8 - 4 A on the GENESIS Nihon 650NM. Cabling type: Fully-Modular on the FSP MEGA PM 1200W Power supply unit ATX ATX3.1 Black, Non-Modular on the GENESIS Nihon 650NM.

  • Total power
    • 1200 W
    • 650 W
  • Input current
    • 15 - 8 A
    • 8 - 4 A
  • Combined power (+3.3V)
    • 120 W
    • 100 W
  • Combined power (+12V)
    • 1200 W
    • 648 W
  • Combined power (+5V)
    • 120 W
    • 100 W
  • Max output current (+12V)
    • 100 A
    • 54 A
  • Efficiency
    • 92%
    • 88%
  • Motherboard power cable length
    • 60 cm
    • 55 cm

Side by side

Differences highlightedShow differences only
63 specifications
A

FSP

MEGA PM 1200W Power supply unit ATX ATX3.1 BlackView product
B

GENESIS

Nihon 650NMView product
Power8 differ
Total powerDiffers1200 W650 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50/60 Hz50/60 Hz
Input currentDiffers15 - 8 A8 - 4 A
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)Differs120 W100 W
Combined power (+12V)Differs1200 W648 W
Combined power (+5V)Differs120 W100 W
Combined power (-12V)3.6 W3.6 W
Combined power (+5Vsb)15 W15 W
Max output current (+3.3V)20 A20 A
Max output current (+12V)Differs100 A54 A
Max output current (+5V)20 A20 A
Max output current (-12V)0.3 A0.3 A
Max output current (+5Vsb)3 A3 A
EfficiencyDiffers92%88%
Power protection featuresDiffersOver voltage, Over current, Short circuit, Over power, Under voltage, Overheating, Surge & inrush protection (SIP), Surge and inrush, Surge & inrush, No load operationNo load operation, Over current, Over power, Overheating, Short circuit, Surge & inrush protection (SIP), Surge & inrush, Surge and inrush, Under voltage
Power factorKnown for one0.9
Ports & interfaces9 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Motherboard power cable lengthDiffers60 cm55 cm
Number of SATA power connectorsDiffers106
SATA power cable lengthDiffers500,655,810,965 mm450,550,650 mm
Number of SATA power cablesDiffers32
Peripheral (Molex) power connectors (4-pin)Differs62
Peripheral (Molex) power cable lengthDiffers500,810,965 mm750 mm
PCI Express power connectors (6+2 pin)33
PCI Express power cable lengthDiffers50 cm67 cm
CPU power connector (4+4 pin)YesYes
CPU power cable lengthDiffers70 cm85 cm
Number of EPS connectorsKnown for one2
PCI Express connectorYesYes
Cabling typeDiffersFully-ModularNon-Modular
PCI Express power connectors (12-pin)Known for one1
Performance3 differ
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certificationDiffers80 PLUS Platinum80 PLUS Bronze
Cybenetics certificationDiffersPlatinumSilver
Cybenetics noise ratingDiffersA++Standard++
ATX version3.13.1
Noise levelKnown for one24.7 dB
Bearing technologyFDBFDB
Mean time between failures (MTBF)Known for one80000 h
Design1 differ
Product colourBlackBlack
Cooling typeActiveActive
Fan diameterDiffers13.5 cm12 cm
Number of fans1 fan(s)1 fan(s)
IlluminationKnown for oneNo
On/off switchYesYes
On/off fan switchKnown for oneYes
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Packaging contentidentical
Cables includedKnown for oneAC
Packaging contentKnown for oneUser guide, Set of assembly elements, Velcro bands, Cable combs
Certificatesidentical
Compliance certificatesKnown for oneCE, RoHS, UKCA
Weight & dimensions1 differ
Width150 mm150 mm
DepthDiffers150 mm140 mm
Height86 mm86 mm
WeightKnown for one1.96 kg
Packaging dataidentical
Package widthKnown for one240 mm
Package depthKnown for one290 mm
Package heightKnown for one125 mm
Package weightKnown for one2.36 kg
Logistics dataidentical
Country of originKnown for oneChina
Warranty periodKnown for one10 year(s)

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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