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Product comparison · 2 power supply units

be quiet! Straight Power E9 vs Tacens Radix V

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  • 28specifications compared
  • 16differ
  • 12identical
  • 28known for one product only

Key differences

  • Total power
    • 400 W
    • 450 W
  • AC input voltage
    • 100 - 240 V
    • 230 V
  • AC input frequency
    • 50 - 60 Hz
    • 50 Hz
  • Input current
    • 3 - 6 A
    • 5 A
  • Combined power (+12V)
    • 384 W
    • 420 W
  • Max output current (+12V1)
    • 18 A
    • 22 A
  • Max output current (+12V2)
    • 18 A
    • 20 A
  • Max output current (+5V)
    • 17 A
    • 15 A

Side by side

Differences highlightedShow differences only
56 specifications
A

be quiet!

Straight Power E9View product
B

Tacens

Radix VView product
Power12 differ
Total powerDiffers400 W450 W
Peak powerKnown for one450 W
AC input voltageDiffers100 - 240 V230 V
AC input frequencyDiffers50 - 60 Hz50 Hz
Input currentDiffers3 - 6 A5 A
Maximum input current (@110V)Differs+12V1,+12V2,+12V3,+3.3V,+5V,+5Vsb,-12V+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Power factorKnown for one0.99
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)120 W120 W
Combined power (+12V)Differs384 W420 W
Combined power (+5V)120 W120 W
Max output current (+3.3V)24 A24 A
Max output current (+12V)Known for one32 A
Max output current (+12V1)Differs18 A22 A
Max output current (+12V2)Differs18 A20 A
Max output current (+12V3)Known for one18 A
Max output current (+5V)Differs17 A15 A
Max output current (-12V)0.3 A0.3 A
Max output current (+5Vsb)Differs3 A2.5 A
EfficiencyDiffers92.9%99%
Hold timeKnown for one19 ms
Power protection featuresDiffersOver current, Over power, Over voltage, Overheating, Short circuit, Under voltageOver current, Over power, Over voltage, Overheating, Overload, Short circuit, Under voltage
Ports & interfaces1 differ
Motherboard power connectorDiffers20+4 pin ATX24-pin ATX
Number of SATA power connectorsKnown for one5
Peripheral (Molex) power connectors (4-pin)Known for one4
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
CPU power connector (4+4 pin)Known for oneYes
Floppy drive power connectorKnown for one1
Cabling typeNon-ModularNon-Modular
Performance2 differ
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certificationKnown for one80 PLUS Gold
ATX versionKnown for one2.31
Noise levelDiffers14.6 dB10 dB
Bearing technologyKnown for oneFDB
Mean time between failures (MTBF)Differs300000 h100000 h
Design1 differ
Product colourBlackBlack
Cooling typeActiveActive
Fan diameterDiffers13.5 cm12 cm
Number of fans1 fan(s)1 fan(s)
Fan speedKnown for one800
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Certificatesidentical
Compliance certificatesRoHSRoHS
CertificationKnown for oneCE, CB, TÜV, Semko (S)
Weight & dimensionsidentical
WidthKnown for one150 mm
DepthKnown for one160 mm
HeightKnown for one86 mm
WeightKnown for one2.24 kg
Packaging dataidentical
Package weightKnown for one2.65 kg
Technical detailsidentical
Sustainability certificatesKnown for oneENERGY STAR
Other featuresidentical
Noise level (silent mode, <30%)Known for one13.7 dB
Noise level (quiet mode, 50%)Known for one13.8 dB
Noise level (full-load mode, 100%)Known for one14.6 dB
Package dimensions (WxDxH)Known for one248 x 328 x 102 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.

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