Genuine Dell P281K Heatsink, CPU Cooling Fan, & Cylinder Shroud Assembly For XPS 435, 435T, 700, 730X, 9000 Desktop (DT) Systems 4 Wire Connector For The XPS 435T, 700, And 730X Comes With Heatsink, Fan, and Shroud Dell Part Numbers: P281K (Cylinder Shroud), GT009, W041K (Fan)