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SilentX power supply 250W
PC40 is an amazing 250W ultra-silent PSU with High efficiency and high reliability. The Smart Fan & Silent Fan Control and better airflow with new layout design make SilentX cooler than others. The aluminum case design is easy to get rid of power supply heat. Worldwide safety and EMI/RFI approved, Quality Assurance is no doubt.


  • Dimension: 82mm(w) x 43mm(H) x 190mm(L)
  • Weight: 0.85 kg net, 1.0 kg gross
  • Input Voltage: 100~240 VAC (Current: 6A / 3A)
  • Input Frequency: 50 Hz / 60 Hz
  • Active PFC (Power Factor Correction)


Compatible with XPC chassis G, G2, G5, G6 and the XPC model ST61G4,
but it is NOT compatible with SD11G5, SS58G2, SK83G, SN85G4, SN95G5 and ST20G5.


Mainboard: 20-pin ATX + 2x2-pin 12V
1x 4-pin Floppy
3x 4-pin Molex
2x S-ATA
1x Y-cable (Molex in, Molex+Floppy out)

Output Characteristics:

Nominal Output
max. Current
+ 3.3V DC 18A
+ 5V DC 19A
+ 12V DC 16A
- 12V DC 0,3A
+ 5V DC Standby 2,0A

  • Output Power:
    Max. continuous output power 250w
    Total combined output of 3.3V and 5V is 105W (max.)

Environmental Requirements:

  • Temperature: Operating temperature at nominal line: 10°C ~ 50°C
  • Storage temperature: -40°C ~ 70°C
  • Relative Humidity: Operating and storage humidity: 5% ~ 90% RH
  • Safety (meet): UL 1950, cUL, CB, TUV: EN60950 CE, CB, CCC
  • RFI/EMI (meet): FCC Class B, CISPR22 Class B, BSMI, CCC
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