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Product comparison · 2 power supply units

be quiet! Straight Power E9 CM vs Hiditec PSX 500W

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  • 25specifications compared
  • 17differ
  • 8identical
  • 33known for one product only

Key differences

  • Total power
    • 680 W
    • 500 W
  • AC input voltage
    • 100 - 240 V
    • 115 - 230 V
  • Max output current (+3.3V)
    • 24 A
    • 18 A
  • Max output current (+12V)
    • 55 A
    • 16 A
  • Max output current (+5V)
    • 28 A
    • 20 A
  • Max output current (+5Vsb)
    • 3 A
    • 2.5 A
  • Number of SATA power connectors
    • 9
    • 2
  • Peripheral (Molex) power connectors (4-pin)
    • 6
    • 2

Side by side

Differences highlightedShow differences only
58 specifications
A

be quiet!

Straight Power E9 CMView product
B

Hiditec

PSX 500WView product
Power7 differ
Total powerDiffers680 W500 W
Peak powerKnown for one750 W
AC input voltageDiffers100 - 240 V115 - 230 V
AC input frequency50 - 60 Hz50 - 60 Hz
Input currentKnown for one5 - 10 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 one160 W
Combined power (+12V)Known for one660 W
Combined power (+5V)Known for one160 W
Max output current (+3.3V)Differs24 A18 A
Max output current (+12V)Differs55 A16 A
Max output current (+12V1)Known for one18 A
Max output current (+12V2)Known for one18 A
Max output current (+12V3)Known for one22 A
Max output current (+12V4)Known for one22 A
Max output current (+5V)Differs28 A20 A
Max output current (-12V)0.5 A0.5 A
Max output current (+5Vsb)Differs3 A2.5 A
EfficiencyKnown for one93%
Hold timeKnown for one19 ms
Power protection featuresDiffersOver current, Over power, Over voltage, Overheating, Short circuit, Under voltageOver voltage, Overload, Under power
Ports & interfaces2 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of SATA power connectorsDiffers92
Peripheral (Molex) power connectors (4-pin)Differs62
PCI Express power connectors (6+2 pin)Known for one4
CPU P4 connector (4-pin)11
CPU power connector (4+4 pin)Known for oneYes
Floppy drive power connectorKnown for one1
Cabling typeKnown for oneSemi-Modular
ATX power connector (20+4 pin)Known for oneYes
Performance2 differ
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certificationKnown for one80 PLUS Gold
ATX versionDiffers2.312.2
EPS versionKnown for one2.92
Noise levelDiffers23.6 dB21 dB
Bearing technologyKnown for oneFDB
Mean time between failures (MTBF)Known for one300000 h
Design2 differ
Product colourDiffersBlackAluminium
Cooling typeKnown for oneActive
Fan diameterDiffers13.5 cm12 cm
Number of fansKnown for one1 fan(s)
Fan speedKnown for one1390
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Certificates1 differ
Compliance certificatesRoHSRoHS
CertificationDiffersCE, CB, TÜV, Semko (S)CE, FCC
Weight & dimensions3 differ
Width150 mm150 mm
DepthDiffers160 mm85 mm
HeightDiffers86 mm160 mm
WeightDiffers2.66 kg1.04 kg
Packaging dataidentical
Package weightKnown for one3.08 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 one13.7 dB
Noise level (full-load mode, 100%)Known for one23.6 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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