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Swiftech MCP655-PWM-OEM 12V DC PWM Speed Control Pump

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Product Description

  • 50,000 hours MTBF (Mean Time Between Failure) equivalent to 5 years lifetime
  • Superior 12 Volts DC convenience: plugs into the computer power supply
  • The MCP655 can be used with full confidence in any MP servers, and high-end workstations
  • Superior real world performance
  • High pressure capability of the MCP655 is particularly well adapted to high-flow systems using 1/2" ID tubing
  • The pump speed can be adjusted using the motherboard PWM signal (CPU_Fan header) to yield top performance or virtually silent operations (models MCP655-PWM-OEM/ACETAL/ACRYLIC only)
  • Compact Design.
  • Quiet operations even at high speed thanks to new chipset controller
  • ½" built-in barb fittings (MCP655-PWM-OEM, and MCP655-B models)
  • The pumps require no maintenance when used with de-mineralized water, and anti-fungal additives (Swiftech's HydrX additive is recommended).
  • The MCP655-PWM-ACRYLIC and PCP655-PWM ACETAL mounting brackets allow installation of the pump in either vertical, or horizontal orientation.
  • Four G1/4 threaded ports are present on the MCP655-PWM-ACRYLIC and PCP655-PWM ACETAL models, (fittings are not included):  users can configure the flow path in 3 possible settings: 1/Inlet on the pump face, outlet on the side face, or 2/ Inlet and outlet on the pump face, or 3/ Inlet and outlet on the side face.


Nominal Voltage 12 V DC
Operating Voltage 8 to 24 V DC8 to 24 V DC
Nominal Power (@ 12 V) 24 W
Nominal Current (@ 12 V) 2 Amps
Speed control Via motherboard PWM CPU_Fan signal - Note: pumps runs at full speed by default when PWM is not connected
RPM signal & range Yes - 800 to 4800 rpm
Motor Type Electronically Commutated DC Spherical Brushless Motor , with automatic overload protection and low in-rush current
Nominal Head (@12v) ~ 13 ft (4 m)
Nominal Discharge (@12v) ~ 330 GPH (1250 LPH)
Connection Type (MCP655-PWM OEM) 1/2" barbs (10mm)
Connection type (MCP655-PWM ACETAL & ACRYLIC G 1/4  ports (4) - fittings not included
Maximum (working) Pressure 50 PSI (3.5 BAR)
Temperature Range 32 °F to 140 °F (0 °C to 60 °C)
Electrical Connector Molex 4-pin
PWM & RPM signal Mini 4-pin 
Weight 1.4 LB (650 g)
Impeller  material Noryl

Other Details


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