The most important factor which determines the selection of Heatsink Assembly is the processor type and its speed.
In order to buy the right heat sink / fan for your system, we recommend that you use the Service Tag look up feature in the Parts For Your Dell™ tool. Dell Heat Sink for R740/R740XD,125W or lower CPU (low profile, low cost with GPU or MB),CK This large amount of heat may be harmful for the proper functioning of the system. In case a product is not sold as a kit or assembly, it may require complementary parts for ease of installation.Please note that some of our replacement products are provided as kits or assemblies.