Product comparison · 2 power supply units

Aerocool XPredator 850GM vs be quiet! System Power B8

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  • 30specifications compared
  • 15differ
  • 15identical
  • 26known for one product only

Key differences

  • Total power
    • XPredator 850GM:850 W
    • System Power B8:350 W
  • AC input voltage
    • XPredator 850GM:100 - 240 V
    • System Power B8:200 - 240 V
  • AC input frequency
    • XPredator 850GM:47 - 63 Hz
    • System Power B8:50 Hz
  • Input current
    • XPredator 850GM:10 A
    • System Power B8:3 A
  • Combined power (+3.3V)
    • XPredator 850GM:100 W
    • System Power B8:103 W
  • Combined power (+12V)
    • XPredator 850GM:840 W
    • System Power B8:324 W
  • Combined power (+5V)
    • XPredator 850GM:100 W
    • System Power B8:103 W
  • Max output current (+3.3V)
    • XPredator 850GM:20 A
    • System Power B8:19 A

Side by side

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Comparison of XPredator 850GM, System Power B8
56 specifications
Power9 differ
Total powerDiffers850 W350 W
AC input voltageDiffers100 - 240 V200 - 240 V
AC input frequencyDiffers47 - 63 Hz50 Hz
Input currentDiffers10 A3 A
Power factorKnown for oneUnknown — not stated by the source0.98
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)Differs100 W103 W
Combined power (+12V)Differs840 W324 W
Combined power (+5V)Differs100 W103 W
Max output current (+3.3V)Differs20 A19 A
Max output current (+12V1)Known for oneUnknown — not stated by the source20 A
Max output current (+12V2)Known for oneUnknown — not stated by the source16 A
Max output current (+5V)Differs20 A15 A
Max output current (-12V)0.3 A0.3 A
EfficiencyKnown for oneUnknown — not stated by the source87%
Hold timeKnown for oneUnknown — not stated by the source18 ms
Power protection featuresKnown for oneUnknown — not stated by the sourceOver current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Combined power (-12V)Known for one3.6 WUnknown — not stated by the source
Combined power (+5Vsb)Known for one12.5 WUnknown — not stated by the source
Max output current (+12V)Known for one70 AUnknown — not stated by the source
Max output current (+5Vsb)Known for one2.5 AUnknown — not stated by the source
Ports & interfaces3 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of PATA power connectorsKnown for oneUnknown — not stated by the source2
Number of SATA power connectorsDiffers84
PCI Express power connectors (6+2 pin)Differs41
CPU power connector (4+4 pin)YesYes
ATX power connector (20+4 pin)Known for oneUnknown — not stated by the sourceYes
Cabling typeDiffersSemi-ModularNon-Modular
Peripheral (Molex) power connectors (4-pin)Known for one4Unknown — 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
Performance1 differ
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certificationDiffers80 PLUS Gold80 PLUS
ATX versionKnown for oneUnknown — not stated by the source2.4
Design1 differ
Product colourDiffersBlackGrey
Cooling typeActiveActive
Fan diameter12 cm12 cm
Number of fans1 fan(s)1 fan(s)
Fan speedKnown for oneUnknown — not stated by the source1650
Fan locationTopTop
On/off switchYesYes
Operational conditionsidentical
Operating temperature (T-T)Known for oneUnknown — not stated by the source0 - 40 °C
Certificatesidentical
Compliance certificatesRoHSRoHS
CertificationKnown for oneUnknown — not stated by the sourceErP, WEEE
Safety regulation & standardsidentical
SafetyKnown for oneUnknown — not stated by the sourceCE, CB, TÜV, RCM, CU
Weight & dimensions1 differ
Width150 mm150 mm
Depth140 mm140 mm
Height86 mm86 mm
WeightDiffers2.04 kg1.6 kg
Technical detailsidentical
Sustainability certificatesKnown for oneUnknown — not stated by the sourceENERGY STAR
Other featuresidentical
Noise level (quiet mode, 50%)Known for oneUnknown — not stated by the source12.3 dB
Noise level (full-load mode, 100%)Known for oneUnknown — not stated by the source24.9 dB
Warranty cardKnown for oneYesUnknown — not stated by the source
Packaging dataidentical
ManualKnown for oneYesUnknown — not stated by the source
Package typeKnown for oneBoxUnknown — not stated by the source

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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