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Product comparison · 2 power supply units

be quiet! Pure Power 9 CM vs GIGABYTE G750H power supply unit

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  • 31specifications compared
  • 14differ
  • 17identical
  • 31known for one product only

Key differences

  • Total power
    • 400 W
    • 750 W
  • AC input frequency
    • 50 - 60 Hz
    • 47 - 63 Hz
  • Input current
    • 4 - 6 A
    • 10 A
  • Power factor
    • 0.99
    • 0.9
  • Efficiency
    • 91%
    • 90%
  • Number of SATA power connectors
    • 5
    • 7
  • Peripheral (Molex) power connectors (4-pin)
    • 1
    • 3
  • PCI Express power connectors (6+2 pin)
    • 2
    • 4

Side by side

Differences highlightedShow differences only
62 specifications
A

be quiet!

Pure Power 9 CMView product
B

GIGABYTE

G750H power supply unit

Model G750H

View product
Power6 differ
Total powerDiffers400 W750 W
Peak powerKnown for one450 W
AC input voltage100 - 240 V100 - 240 V
AC input frequencyDiffers50 - 60 Hz47 - 63 Hz
Input currentDiffers4 - 6 A10 A
Power factorDiffers0.990.9
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)Known for one120 W
Combined power (+12V)Known for one384 W
Combined power (+5V)Known for one120 W
Combined power (-12V)Known for one3.6 W
Combined power (+5Vsb)Known for one15 W
Max output current (+3.3V)Known for one24 A
Max output current (+12V1)Known for one24 A
Max output current (+12V2)Known for one20 A
Max output current (+5V)Known for one15 A
Max output current (-12V)Known for one0.3 A
Max output current (+5Vsb)Known for one3 A
EfficiencyDiffers91%90%
Hold timeKnown for one26 ms
Power protection featuresDiffersOver current, Over power, Over voltage, Overheating, Short circuit, Under voltageOver power, Over voltage, Short circuit, Under voltage
Ports & interfaces3 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Motherboard power cable lengthKnown for one45 cm
Number of PATA power connectorsKnown for one2
Number of SATA power connectorsDiffers57
Peripheral (Molex) power connectors (4-pin)Differs13
PCI Express power connectors (6+2 pin)Differs24
CPU power connector (4+4 pin)YesYes
ATX power connector (20+4 pin)YesYes
Floppy disk drive connectorYesYes
Floppy drive power connector11
Cabling typeSemi-ModularSemi-Modular
Performance2 differ
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certificationKnown for one80 PLUS Silver
ATX versionDiffers2.42.31
Bearing technologyDiffersRifleBall bearing
Mean time between failures (MTBF)100000 h100000 h
Design2 differ
Product colourBlackBlack
Cooling typeActiveActive
Fan diameterDiffers12 cm14 cm
Number of fans1 fan(s)1 fan(s)
Fan speedKnown for one1060
Fan locationDiffersSideTop
On/off switchKnown for oneYes
Packaging contentidentical
Cables includedKnown for oneAC, PCIe
Certificates1 differ
Compliance certificatesKnown for oneRoHS
CertificationDiffersCE, CB, TÜV, FCC, cTUVus, RCM, BSMI, CUCE, BSMI, EAC, TUV, FCC, CCC, RCM
Weight & dimensionsidentical
Width150 mm150 mm
Depth160 mm160 mm
Height86 mm86 mm
WeightKnown for one1.96 kg
Packaging dataidentical
ManualKnown for oneYes
Package widthKnown for one210 mm
Package depthKnown for one240 mm
Package heightKnown for one96 mm
Package weightKnown for one2.18 kg
Technical detailsidentical
Sustainability certificatesKnown for oneENERGY STAR
Other featuresidentical
Noise level (quiet mode, 50%)Known for one11.2 dB
Noise level (full-load mode, 100%)Known for one15.4 dB
Cable managementKnown for oneYes
Housing colourKnown for oneBlack

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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