Product comparison · 2 power supply units

be quiet! PURE POWER 12 1000W vs be quiet! PURE POWER 12 850W

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  • 71specifications compared
  • 11differ
  • 60identical
  • 0known for one product only

Key differences

  • Total power
    • PURE POWER 12 1000W:1000 W
    • PURE POWER 12 850W:850 W
  • Peak power
    • PURE POWER 12 1000W:1050 W
    • PURE POWER 12 850W:900 W
  • AC input voltage
    • PURE POWER 12 1000W:110 - 240 V
    • PURE POWER 12 850W:100 - 240 V
  • Combined power (+12V)
    • PURE POWER 12 1000W:1000 W
    • PURE POWER 12 850W:850 W
  • Max output current (+12V1)
    • PURE POWER 12 1000W:83.4 A
    • PURE POWER 12 850W:70.9 A
  • Efficiency
    • PURE POWER 12 1000W:90.6%
    • PURE POWER 12 850W:90.5%
  • Hold time
    • PURE POWER 12 1000W:17.82 ms
    • PURE POWER 12 850W:17.34 ms
  • Noise level
    • PURE POWER 12 1000W:31.6 dB
    • PURE POWER 12 850W:25.1 dB

Side by side

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Comparison of PURE POWER 12 1000W, PURE POWER 12 850W
71 specifications
Power7 differ
Total powerDiffers1000 W850 W
Peak powerDiffers1050 W900 W
AC input voltageDiffers110 - 240 V100 - 240 V
AC input frequency50/60 Hz50/60 Hz
Maximum input current (@110V)12 A12 A
Maximum input current (@220V)6 A6 A
Power factor0.980.98
Power Factor Correction (PFC) typeActiveActive
Number of +12V rail(s)11
Combined power (+3.3V)120 W120 W
Combined power (+12V)Differs1000 W850 W
Combined power (+5V)120 W120 W
Combined power (-12V)3.6 W3.6 W
Combined power (+5Vsb)15 W15 W
Max output current (+3.3V)22 A22 A
Max output current (+12V1)Differs83.4 A70.9 A
Max output current (+5V)22 A22 A
Max output current (-12V)0.3 A0.3 A
Max output current (+5Vsb)3 A3 A
EfficiencyDiffers90.6%90.5%
Hold timeDiffers17.82 ms17.34 ms
Power protection featuresOver current, Over power, Over voltage, Overheating, Short circuit, Surge & inrush protection (SIP), Under voltageOver current, Over power, Over voltage, Overheating, Short circuit, Surge & inrush protection (SIP), Under voltage
Ports & interfacesidentical
Motherboard power connector20+4 pin ATX20+4 pin ATX
Motherboard power cable length55 cm55 cm
Number of SATA power connectors66
SATA power cable length500,650,800,950 mm500,650,800,950 mm
Peripheral (Molex) power connectors (4-pin)11
Peripheral (Molex) power cable length800 mm800 mm
PCI Express power connectors (6+2 pin)33
PCI Express power connectors (12-pin)11
PCI Express power cable length60 cm60 cm
CPU power connector (4+4 pin)YesYes
CPU power cable length60 cm60 cm
PCI Express connectorYesYes
Cabling typeNon-ModularNon-Modular
Performance1 differ
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certification80 PLUS Gold80 PLUS Gold
ATX version3.13.1
EPS version2.922.92
Noise levelDiffers31.6 dB25.1 dB
Bearing technologyRifleRifle
Mean time between failures (MTBF)100000 h100000 h
Designidentical
Product colourBlackBlack
Cooling typeActiveActive
Fan diameter12 cm12 cm
Number of fans1 fan(s)1 fan(s)
IlluminationNoNo
On/off switchYesYes
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Storage temperature (T-T)-20 - 70 °C-20 - 70 °C
Operating relative humidity (H-H)0 - 90%0 - 90%
Storage relative humidity (H-H)0 - 95%0 - 95%
Packaging contentidentical
Cables includedACAC
Cable tie(s) includedYesYes
Certificatesidentical
Compliance certificatesCB, CE, Federal Communications Commission (FCC), RoHS, UKCA, WEEE, cTUVusCB, CE, Federal Communications Commission (FCC), RoHS, UKCA, WEEE, cTUVus
Weight & dimensions1 differ
Width86 mm86 mm
Depth160 mm160 mm
Height150 mm150 mm
WeightDiffers2.8 kg2.7 kg
Packaging data1 differ
Package width133 mm133 mm
Package depth320 mm320 mm
Package height210 mm210 mm
Package weightDiffers3.2 kg3.1 kg
Logistics data1 differ
Products per shipping (inner) case4 pc(s)4 pc(s)
Shipping (inner) case height34 cm34 cm
Shipping (inner) case length56 cm56 cm
Shipping (inner) case net weightDiffers13.9 kg13.4 kg
Shipping (inner) case width24 cm24 cm
Warranty period10 year(s)10 year(s)
Other featuresidentical
Screws includedYesYes

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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