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Product comparison · 2 power supply units

be quiet! BN337 power supply unit vs be quiet! BN338 power supply unit

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  • 68specifications compared
  • 12differ
  • 56identical
  • 2known for one product only

Key differences

  • Total power
    • 850 W
    • 1000 W
  • Peak power
    • 920 W
    • 1070 W
  • Input current
    • 10/5 A
    • 13/6.5 A
  • Combined power (+12V)
    • 849.6 W
    • 999.6 W
  • Efficiency
    • 92.3%
    • 91.8%
  • Hold time
    • 19.2 ms
    • 25.3 ms
  • Noise level
    • 22.1 dB
    • 28.9 dB
  • Illumination
    • Yes
    • No

Side by side

Differences highlightedShow differences only
70 specifications
A

be quiet!

BN337 power supply unit

Model BN337

View product
B

be quiet!

BN338 power supply unit

Model BN338

View product
Power7 differ
Total powerDiffers850 W1000 W
Peak powerDiffers920 W1070 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50/60 Hz50/60 Hz
Input currentDiffers10/5 A13/6.5 A
Power factor0.990.99
Combined power (+3.3V)150 W150 W
Combined power (+12V)Differs849.6 W999.6 W
Combined power (+5V)150 W150 W
Max output current (+3.3V)25 A25 A
Max output current (+12V1)Known for one70.8 A
Max output current (+5V)25 A25 A
Max output current (-12V)0.5 A0.5 A
Max output current (+5Vsb)3 A3 A
EfficiencyDiffers92.3%91.8%
Hold timeDiffers19.2 ms25.3 ms
Power protection featuresDiffersOver current, Over power, Over voltage, Overheating, Short circuit, Under voltageOver current, Over power, Over voltage, Overheating, Under voltage
Max output current (+12V)Known for one83.3 A
Ports & interfacesidentical
Motherboard power connector20+4 pin ATX20+4 pin ATX
Motherboard power cable length60 cm60 cm
Number of PATA power connectors22
Number of SATA power connectors99
SATA power cable length550,700,850,1000 mm550,700,850,1000 mm
Peripheral (Molex) power connectors (4-pin)00
Peripheral (Molex) power cable length1000,850 mm1000,850 mm
EPS power connector (8-pin)YesYes
EPS power connector (4+4 pin)YesYes
PCI Express power connectors (6+2 pin)44
PCI Express power connectors (16-pin)11
PCI Express power cable length60 cm60 cm
CPU power cable length70 cm70 cm
PCI Express connectorYesYes
Cabling typeFully-ModularFully-Modular
Performance1 differ
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certification80 PLUS Platinum80 PLUS Platinum
Supported motherboard form factorsATX, micro ATX, Mini-ATXATX, micro ATX, Mini-ATX
ATX version3.13.1
EPS version2.922.92
Noise levelDiffers22.1 dB28.9 dB
Bearing technologyFDBFDB
Mean time between failures (MTBF)100000 h100000 h
Design1 differ
Product colourBlackBlack
Cooling typeActiveActive
Fan diameter13.5 cm13.5 cm
Number of fans1 fan(s)1 fan(s)
Fan speed0 - 2100 RPM0 - 2100 RPM
IlluminationDiffersYesNo
On/off switchYesYes
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Packaging contentidentical
Cables includedCPU, SATACPU, SATA
Cable tie(s) includedYesYes
Certificatesidentical
Compliance certificatesRoHS, Federal Communications Commission (FCC), UKCA, WEEE, CERoHS, Federal Communications Commission (FCC), UKCA, WEEE, CE
Weight & dimensions1 differ
Width150 mm150 mm
Depth160 mm160 mm
Height86 mm86 mm
WeightDiffers1.81 kg1.85 kg
Packaging data1 differ
Package width248 mm248 mm
Package depth328 mm328 mm
Package height102 mm102 mm
Package weightDiffers3.52 kg3.56 kg
Package typeBoxBox
Technical detailsidentical
Sustainability certificatesTriman, ENERGY STAR, ErPTriman, ENERGY STAR, ErP
Sustainability complianceYesYes
Logistics data1 differ
Products per shipping (inner) case6 pc(s)6 pc(s)
Shipping (inner) case height34.6 cm34.6 cm
Shipping (inner) case length65.1 cm65.1 cm
Shipping (inner) case net weightDiffers22.7 kg22.9 kg
Shipping (inner) case width28.2 cm28.2 cm
Warranty period10 year(s)10 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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