All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 power supply units

be quiet! BN155 power supply unit vs be quiet! E8-CM-680W power supply unit 20+4 pin ATX ATX Black

Add a product
  • 26specifications compared
  • 10differ
  • 16identical
  • 44known for one product only

Key differences

  • Total power
    • 500 W
    • 680 W
  • Number of SATA power connectors
    • 6
    • 7
  • Peripheral (Molex) power connectors (4-pin)
    • 5
    • 7
  • PCI Express power connectors (6-pin)
    • 1
    • 2
  • PCI Express power connectors (6+2 pin)
    • 1
    • 2
  • Cabling type
    • Non-Modular
    • Semi-Modular
  • Noise level
    • 19.1 dB
    • 21.8 dB
  • Certification
    • CE, CF
    • ErP, WEEE, RoHS

Side by side

Differences highlightedShow differences only
70 specifications
A

be quiet!

BN155 power supply unit

Model BN155

View product
B

be quiet!

E8-CM-680W power supply unit 20+4 pin ATX ATX Black

Model E8-CM-680W

View product
Power3 differ
Total powerDiffers500 W680 W
Peak powerKnown for one750 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Input currentKnown for one10 A
Maximum input current (@110V)Differs+12V,+3.3V,+5V,+5Vsb,-12V+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Power factorKnown for one0.99
Power Factor Correction (PFC) typeKnown for oneActive
Combined power (+3.3V)Known for one75 W
Combined power (+12V)Known for one624 W
Combined power (+5V)Known for one85 W
Combined power (-12V)Known for one6 W
Combined power (+5Vsb)Known for one15 W
Max output current (+3.3V)Known for one24 A
Max output current (+12V)Known for one52 A
Max output current (+5V)Known for one28 A
Max output current (-12V)Known for one0.5 A
Max output current (+5Vsb)Known for one3 A
Hold timeKnown for one19 ms
Power protection featuresDiffersOver current, Over power, Over voltage, Short circuit, Under voltageOver current, Over power, Over voltage, Short circuit, Under voltage, Overheating
Ports & interfaces5 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of SATA power connectorsDiffers67
Peripheral (Molex) power connectors (4-pin)Differs57
PCI Express power connectors (6-pin)Differs12
PCI Express power connectors (6+2 pin)Differs12
CPU P4 connector (4-pin)11
Floppy drive power connector22
CPU power connectors (8-pin)Known for one1
Connector(s)IEC C14IEC C14
Cabling typeDiffersNon-ModularSemi-Modular
Monitor outletKnown for oneNo
CPU power connector (4+4 pin)Known for oneYes
Performance1 differ
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certification80 PLUS Silver80 PLUS Silver
ATX version2.32.3
EPS version2.922.92
Noise levelDiffers19.1 dB21.8 dB
Bearing technologyKnown for oneFDB
Mean time between failures (MTBF)Known for one100000 h
Compatible productsKnown for onePC
Designidentical
Product colourBlackBlack
Cooling typeKnown for oneActive
Fan diameter12 cm12 cm
Number of fans1 fan(s)1 fan(s)
Fan speedKnown for one1416
Fan locationSideSide
IlluminationKnown for oneNo
LED indicatorsNoNo
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Certificates1 differ
Compliance certificatesKnown for oneRoHS
CertificationDiffersCE, CFErP, WEEE, RoHS
Safety regulation & standardsidentical
SafetyKnown for oneCE, CB, TUV, N, S, Fl, D
Weight & dimensionsidentical
WidthKnown for one150 mm
DepthKnown for one160 mm
HeightKnown for one86 mm
WeightKnown for one2.28 kg
Packaging dataidentical
Package weightKnown for one3.12 kg
Case or master carton dimensions (W x D x H)Known for one661 x 282 x 358 mm
Case or master carton quantityKnown for one6 pc(s)
Case or master carton weightKnown for one20 kg
Technical detailsidentical
Sustainability certificatesKnown for oneENERGY STAR
Other featuresidentical
Package dimensions (WxDxH)Known for one328 x 248 x 102 mm
Parallel processing technology supportKnown for oneHybrid CrossFireX, Quad-GPU SLI
Power managementKnown for oneYes
Power over Ethernet (PoE)Known for oneNo
Power supply typeKnown for oneAC/DC
Redundant power supply (RPS) supportKnown for oneNo
Power rocker switchKnown for oneYes
Dimensions (WxDxH)Known for one160 x 150 x 86 mm

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.

More power supply unit comparisons

All power supply unit comparisons