Product comparison · 2 power supply units

Aerocool KCAS power supply unit vs Aerocool KCAS-650M power supply unit

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  • 36specifications compared
  • 18differ
  • 18identical
  • 3known for one product only

Key differences

  • Total power
    • KCAS power supply unit:600 W
    • KCAS-650M power supply unit:650 W
  • AC input voltage
    • KCAS power supply unit:115 - 230 V
    • KCAS-650M power supply unit:200 - 240 V
  • AC input frequency
    • KCAS power supply unit:47 - 63 Hz
    • KCAS-650M power supply unit:47 - 53 Hz
  • Input current
    • KCAS power supply unit:4.5 - 9.5 A
    • KCAS-650M power supply unit:6 A
  • Combined power (+12V)
    • KCAS power supply unit:540 W
    • KCAS-650M power supply unit:624 W
  • Combined power (-12V)
    • KCAS power supply unit:4.8 W
    • KCAS-650M power supply unit:3.6 W
  • Combined power (+5Vsb)
    • KCAS power supply unit:12.5 W
    • KCAS-650M power supply unit:15 W
  • Max output current (+3.3V)
    • KCAS power supply unit:20 A
    • KCAS-650M power supply unit:24 A

Side by side

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Comparison of KCAS, KCAS-650M
39 specifications
Power11 differ
Total powerDiffers600 W650 W
AC input voltageDiffers115 - 230 V200 - 240 V
AC input frequencyDiffers47 - 63 Hz47 - 53 Hz
Input currentDiffers4.5 - 9.5 A6 A
Maximum input current (@110V)+12V,+3.3V,+5V,+5Vsb,-12V+12V,+3.3V,+5V,+5Vsb,-12V
Power Factor Correction (PFC) typeActiveActive
Combined power (+12V)Differs540 W624 W
Combined power (-12V)Differs4.8 W3.6 W
Combined power (+5Vsb)Differs12.5 W15 W
Max output current (+3.3V)Differs20 A24 A
Max output current (+12V)Differs45 A52 A
Max output current (+5V)20 A20 A
Max output current (-12V)Differs0.4 A0.3 A
Max output current (+5Vsb)Differs2.5 A3 A
Efficiency85%85%
Power protection featuresOver power, Over voltage, Short circuit, Under voltageOver power, Over voltage, Short circuit, Under voltage
Ports & interfaces1 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of SATA power connectors77
Peripheral (Molex) power connectors (4-pin)Known for one4Unknown — not stated by the source
PCI Express power connectors (6+2 pin)22
CPU power connector (4+4 pin)YesYes
ATX power connector (20+4 pin)YesYes
Floppy drive power connectorKnown for one1Unknown — not stated by the source
Cabling typeDiffersNon-ModularSemi-Modular
Performance2 differ
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certification80 PLUS Bronze80 PLUS Bronze
ATX versionDiffers2.32.4
Noise levelDiffers30.2 dB32.2 dB
Design1 differ
Product colourBlackBlack
Fan diameterDiffers12 cm14 cm
Number of fans1 fan(s)1 fan(s)
Fan locationTopTop
On/off switchYesYes
Certificatesidentical
Compliance certificatesRoHSRoHS
Other features3 differ
Noise level (silent mode, <30%)Differs18.7 dB19.1 dB
Noise level (quiet mode, 50%)Differs20.2 dB20.3 dB
Noise level (full-load mode, 100%)Differs30.2 dB32.2 dB
Technical detailsidentical
Sustainability certificatesKnown for oneUnknown — not stated by the sourceENERGY STAR

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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