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Product comparison · 2 power supply units

be quiet! Power Zone vs FSP300-50GHS 85+

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  • 28specifications compared
  • 21differ
  • 7identical
  • 33known for one product only

Key differences

  • Total power
    • 750 W
    • 300 W
  • AC input voltage
    • 100 - 240 V
    • 90 - 265 V
  • AC input frequency
    • 50 - 60 Hz
    • 47 - 63 Hz
  • Input current
    • 9 A
    • 3.5 A
  • Combined power (+3.3V)
    • 150 W
    • 103 W
  • Combined power (+12V)
    • 744 W
    • 228 W
  • Combined power (+5V)
    • 150 W
    • 103 W
  • Combined power (-12V)
    • 3.6 W
    • 21 W

Side by side

Differences highlightedShow differences only
61 specifications
A

be quiet!

Power ZoneView product
B

FSP

FSP300-50GHS 85+View product
Power13 differ
Total powerDiffers750 W300 W
Peak powerKnown for one800 W
AC input voltageDiffers100 - 240 V90 - 265 V
AC input frequencyDiffers50 - 60 Hz47 - 63 Hz
Input currentDiffers9 A3.5 A
Maximum input current (@110V)Known for one+12V,+3.3V,+5V,+5Vsb,-12V
Power factorKnown for one0.99
Power Factor Correction (PFC) typeKnown for oneActive
Combined power (+3.3V)Differs150 W103 W
Combined power (+12V)Differs744 W228 W
Combined power (+5V)Differs150 W103 W
Combined power (-12V)Differs3.6 W21 W
Combined power (+5Vsb)Differs15 W21 W
Max output current (+3.3V)Differs25 A21 A
Max output current (+12V)Known for one62 A
Max output current (+5V)Differs25 A20 A
Max output current (-12V)Differs0.3 A0.5 A
Max output current (+5Vsb)3 A3 A
EfficiencyDiffers90%82%
Hold timeKnown for one23 ms
Power protection featuresKnown for oneOver current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Max output current (+12V1)Known for one14 A
Max output current (+12V2)Known for one19 A
Ports & interfaces1 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of SATA power connectorsDiffers82
Peripheral (Molex) power connectors (4-pin)44
PCI Express power connectors (6+2 pin)Known for one4
CPU power connector (4+4 pin)Known for oneYes
Floppy drive power connector11
Cabling typeKnown for oneFully-Modular
CPU P4 connector (4-pin)Known for one1
Floppy disk drive connectorKnown for oneYes
Performance2 differ
PurposeDiffersPCPC/Server
Power supply unit (PSU) form factorDiffersATXSFX
80 PLUS certification80 PLUS Bronze80 PLUS Bronze
ATX versionKnown for one2.4
EPS versionKnown for one2.92
Noise levelKnown for one34.9 dB
Bearing technologyKnown for oneFDB
Mean time between failures (MTBF)Known for one100000 h
Supported motherboard form factorsKnown for oneATX
Design2 differ
Product colourDiffersBlackWhite
Cooling typeKnown for oneActive
Fan diameterDiffers13.5 cm8 cm
Number of fans1 fan(s)1 fan(s)
Fan speedKnown for one2600
Certificatesidentical
Compliance certificatesRoHSRoHS
CertificationKnown for oneCE, CB, TÜV, Semko (S), FCC, cTUVus, c-tick, BSMI
Weight & dimensions3 differ
WidthDiffers150 mm125 mm
DepthDiffers175 mm100 mm
HeightDiffers86 mm63.5 mm
WeightKnown for one1.87 kg
Packaging dataidentical
ManualKnown for oneYes
Package widthKnown for one248 mm
Package depthKnown for one102 mm
Package heightKnown for one328 mm
Package weightKnown for one2.36 kg
Technical detailsidentical
Sustainability certificatesKnown for oneENERGY STAR
Other featuresidentical
Noise level (silent mode, <30%)Known for one13.6 dB
Noise level (quiet mode, 50%)Known for one17.4 dB
Noise level (full-load mode, 100%)Known for one34.9 dB

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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