EK-XTOP SPC-60 PWM - Plexi (incl. pump) EK-XTOP SPC-60 PWM is a reliable standalone, value-oriented liquid cooling pump. It has been designed to lower the production costs yet still offer great hydraulic performance at the best price. The core of the unit is EK-SPC 60 water pump that uses only a 4-pin PWM FAN header for operation; no MOLEX connector is required! EK-XTOP SPC-60 PWM - Plexi can also be upgraded with either EK-UNI Pump Bracket (120mm FAN) - Regular or Vertical which allow installation of the product in any position with 120mm type fan hole pattern Dimensions (W x D x H): 62 x 62 x 51 mm