The Dell 07D86K 0TKR4X Optiplex 3050 5050 7050 SFF CPU Cooling Fan is a high-quality CPU fan with heatsink designed specifically for Dell computers. It features a 4-pin power connection and is compatible with LGA 1151 socket types. This cooling fan effectively dissipates heat to ensure optimal performance and longevity of the CPU, making it a reliable component for any computer system. Did full integrity test. And passed! Ready to be used out of the box!