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Product comparison · 2 power supply units

be quiet! Straight Power E8 CM vs Chieftec DPS-300AB-9C power supply unit

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  • 6specifications compared
  • 5differ
  • 1identical
  • 55known for one product only

Key differences

  • Total power
    • 480 W
    • 300 W
  • Input current
    • 8 A
    • 18/18 A
  • Cabling type
    • Semi-Modular
    • Non-Modular
  • Product colour
    • Black
    • Silver
  • Dimensions (WxDxH)
    • 160 x 150 x 86 mm
    • 125 x 100 x 64 mm

Side by side

Differences highlightedShow differences only
61 specifications
A

be quiet!

Straight Power E8 CMView product
B

Chieftec

DPS-300AB-9C power supply unit

Model DPS-300AB-9C

View product
Power2 differ
Total powerDiffers480 W300 W
Peak powerKnown for one550 W
AC input voltageKnown for one100 - 240 V
Input currentDiffers8 A18/18 A
Maximum input current (@110V)Known for one+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V
Power factorKnown for one0.99
Power Factor Correction (PFC) typeKnown for oneActive
Combined power (+3.3V)Known for one140 W
Combined power (+12V)Known for one420 W
Combined power (+5V)Known for one140 W
Combined power (-12V)Known for one3.6 W
Combined power (+5Vsb)Known for one15 W
Max output current (+3.3V)Known for one24 A
Max output current (+12V)Known for one35 A
Max output current (+5V)Known for one22 A
Max output current (-12V)Known for one0.3 A
Max output current (+5Vsb)Known for one3 A
EfficiencyKnown for one89%
Hold timeKnown for one17 ms
Power protection featuresKnown for oneOver current, Over power, Over voltage, Short circuit, Under voltage, Overheating
Ports & interfaces1 differ
Motherboard power connectorKnown for one20+4 pin ATX
Number of SATA power connectorsKnown for one5
Peripheral (Molex) power connectors (4-pin)Known for one5
PCI Express power connectors (6-pin)Known for one1
PCI Express power connectors (6+2 pin)Known for one1
CPU P4 connector (4-pin)Known for one1
Floppy drive power connectorKnown for one2
Connector(s)Known for oneIEC C14
Cabling typeDiffersSemi-ModularNon-Modular
Performanceidentical
PurposeKnown for onePC
Power supply unit (PSU) form factorKnown for oneATX
80 PLUS certificationKnown for one80 PLUS Silver
ATX versionKnown for one2.3
EPS versionKnown for one2.92
Noise levelKnown for one18.9 dB
Bearing technologyKnown for oneFDB
Mean time between failures (MTBF)Known for one100000 h
Compatible productsKnown for oneMulti-GPU, NVIDIA Hybrid, AMD / ATI CrossFire
Design1 differ
Product colourDiffersBlackSilver
Fan diameterKnown for one12 cm
Number of fansKnown for one1 fan(s)
Fan speedKnown for one1251
Fan locationKnown for oneSide
LED indicatorsKnown for oneNo
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Certificatesidentical
Compliance certificatesKnown for oneRoHS
CertificationKnown for oneErP, WEEE, RoHS, Energy Star 5.0
Safety regulation & standardsidentical
SafetyKnown for oneCE, CB, TUV, N, S, Fl, D
Weight & dimensionsidentical
WeightKnown for one2.26 kg
Packaging dataidentical
Package weightKnown for one3.03 kg
Technical detailsidentical
Sustainability certificatesKnown for oneENERGY STAR
Other features1 differ
Dimensions (WxDxH)Differs160 x 150 x 86 mm125 x 100 x 64 mm
Package dimensions (WxDxH)Known for one333 x 248 x 102 mm
Parallel processing technology supportKnown for oneHybrid CrossFireX
Power managementKnown for oneYes
Power over Ethernet (PoE)Known for oneNo
Power supply typeKnown for oneAC/DC
Redundant power supply (RPS) supportKnown for oneNo
Supported protocolsKnown for oneIntel C6
Power rocker switchKnown for oneYes

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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