EK-XRES 140 DDC 3.2 PWM (incl. pump) is a High-Performance water cooling pump. The core of the unit is the market-proven EK-DDC 3.2 PWM water pump (4-pin PWM FAN header). This unit offers increased hydraulic performance (up to 15 %) compared to original factory top. PWM control allows for automatic pump speed regulation depending on your CPU temperature. Full performance on demand or whisper quiet operation in idle mode! This top features three G1/4 threaded ports of which one is an inlet, one is an outlet and the last can either be an inlet or drain/fill. EK recommends EK-ACF series compression fittings. Using the enclosed EK-Extender G1/4, installation of virtually any G1/4 thread fitting/barb is possible. EK recommends EK-ACF series compression fittings/adapters. The pump is nested inside the EK-DDC Heatsink Housing. This vastly improves the cooling performance of the motor and electronics and thus prolongs the lifespan of the water pump. Optimal heat transfer is ensured by the use of enclosed thermal pad pre-cut for your convenience. Due to it’s metallic construction and finned design EK-DDC Heatsink Housing amplifies the effect of airflow therefore placing the water pump in front of any fan or radiator will dramatically improve the cooling performance. Technical Specifications: – Dimensions (W x D x H): 65 x 68 x 178 mm – Motor: Electronically commuted ball bearing motor – Rated voltage: 12 V DC – Power consumption: 18 W – Maximum head pressure: up to 5.2m – Maximum flow rate: up to 1000 L/h – Maximum liquid temperature: 60 °C – Materials: Stainless steel, PPS-GF40, EPDM O-rings, Aluminium oxide, hard coal – Power connector: 4-Pin Molex- and 4-Pin PWM FAN connector – Xylem original model name: DDC-3.25TPPWM4 Enclosed: – EK-XRES 140 DDC – EK-DDC 3.2 PWM 12V DC pump motor – mounting mechanism – installation manual Made in Slovenia – EU!