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Power Supplies > 
FirePower Technology, Inc. > 
Item#: 9SIA4H81E87796

FirePower Silencer MK III 400W 80Plus Bronze Sem-Modular ATX PC Power Supply PPCMK3S400, formerly PC Power & Cooling

  • ATX 12V v2.3
  • Modular
  • 80 PLUS BRONZE Certified
  • 100 - 240 V
  • Pin It
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Building on the award-winning Silencer core architecture, the Mk III once again defines the ultimate power management solution for today’s power users. For the first time, PC Power & Cooling customers can enjoy the convenience and benefits of a modular cable configuration, and eliminate unnecessary wire clutter for a more streamlined computer case.

Combining a powerful single +12V rail and premium components, the Mk III balances the needs of server-class and IT professional standards with 100% Japanese 105°C capacitors, continuous output at a demanding 50°C ambient temperature, and heavy-duty protection circuitries. Key features include a 120mm variable RPM fan for quiet operation, well regulated electrical noise and ripple, and 80 Plus Bronze-level efficiency up to 85% at typical loads. The Silencer Mk III Series is available in 400W, 500W, and 600W models.




  • newegg 80 Plus Bronze certified The 80 PLUS Bronze certified power supply provides high power efficiency of at least 82% at any load between 20% and 100%, saving your money on your electrical bill, reducing heat in your computer's system and prolonging its life.
  • newegg 600W continuous power with single strong +12V rail The PPCMK3S600 delivers 600W continuous power output at 50-degrees operating temperature. Powerful single +12V rail at up to 46A design ensures the maximum provision of 12V power to energy-hungry CPU and VGA card perfect for future high-end component upgrades or overclocking.
  • newegg Modular cabling design Modular cabling design improves internal airflow and reduces clutter by allowing use of only the cables you need.
  • newegg Premium Components with 100% Japanese Brand Capacitors (105°C) The PSU utilizes highly reliable Japanese brand capacitors for exceptional stability and product lifespan.
  • newegg 120mm variable RPM fan Ultra-quiet 120mm double ball-bearing cooling fan delivers excellent airflow at an exceptionally low noise level by varying the RPM in response to temperature and load.

Learn more about the FirePower Technology, Inc. PPCMK3S400


PC Power and Cooling
Silencer MK III


ATX 12V v2.3
Maximum Power
1 x 120mm, ball bearing, thermally controlled
Main Connector
+12V Rails
PCI-Express Connector
1 x 6+2-Pin
SATA Power Connector
Power Good Signal
Hold-up Time
20 ms min
Up to 85%
80 PLUS BRONZE Certified
Over Voltage Protection
+3.3V, +5V, +12V
Input Voltage
100 - 240 V
Input Frequency Range
50/60 Hz
Input Current
7 - 3.5A
+3.3V@20A, +5V@20A, +12V@30A, -12V@0.8A, +5VSB@2.5A
>100,000 Hours
Safety: cTUVus, CE, CB, FCC Class B, TUV, CCC, C-tick
5.9" x 3.4" x 6.3"
4.74 lbs.


1 x 20+4-pin ATX
1 x 4+4-pin ESP / 12V CPU
1 x 6+2-pin PCI-E
3 x 4-pin Peripheral
6 x 5-pin SATA
1 x FDD
Continuous output rated at a demanding 50ºC ambient temperature

Built with 100% Japanese low ESR 105ºC capacitors for high reliability

A large temperature and load controlled 120mm double ball-bearing fan for whisper quiet operation

ErP compliant for low power usage in standby or off mode.

Heavy-duty protection circuitry, (over-voltage, over-power, and short circuit) for protecting your valuable components

Customer Reviews of the FirePower Technology, Inc. PPCMK3S400

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Home > 
Computer Hardware > 
Power Supplies > 
Power Supplies > 
FirePower Technology, Inc. > 
Item#: 9SIA4H81E87796
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