OEM Cooling Fan assembly for Thinkpad X1 Carbon 2017 laptop series, this is the cooling Thermal Module for CPU processor with UMA graphics. If your PC fan is running very loud or not functioning then a replacement may be needed. The fan uses an integrated flex cable to connect to the motherboard. The cable connects via 5-pin connector making it a plug and play replacement module, NO soldering is required. Manufacturer Part Number(s) EG50040S1-CA41-S9A, SH40J78409, SH40J78410, SH40H70573, AT16R001SS0SFRU: 01YU011, 00UR983, 00UR984 Specifications: Direct Current: DC 5V / 0.5A, 2.25W Color: Black Power Connection:5-pin 5-wires, Plug-in Condition: New and Original, unused in perfect condition. Reference list of compatible with Laptop models: - ThinkPad X1 Carbon 2017 (type: 20HR, 20HQ, 20K3, 20K4) What's in the box: 1x CPU Cooling Fan w/ Thermal Module assembly