Despite the fact that computers have become commonplace at home and at workplaces for a long time, true user friendliness of the computers is still a long shot. Zalman Tech strives to make that goal a closer reality through extensive research and development of its products and will continue to put efforts to creating more enhanced levels of user friendliness in computing.PRODUCT FEATURES:Compatible with AMD Opteron, Athlon 64 X2 Dual-Core, Athlon 64 FX, Athlon 64, and Sempron for Socket AM2/754/939/940;Pure copper heatsink with component layout optimized for maximum cooling efficiency;Innovative, patented, and curved heatpipe design for a heat transfer capacity of up to six heatpipes with the use of just three;Ultra slim fins (0.2mm) for minimized weight and reduced airflow resistance;Adjustable fan speed controller (FAN MATE 2) included.