OEM CPU Cooling Fan for the ASUS ROG GL504 laptop, This fan cool the GPU processor side of the heatsink. 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 mainboard. The cable connects via 4-pin connector making it a plug and play replacement module, NO soldering is required. Specifications: Direct Current: DC 12V/1.0A Color: Black Connection: 4-pin 4-wires Status: Brand New and Original Reference list of compatible with ASUS Laptop Models: - ROG Strix SCAR II GL504 series: - - GL504G - - GL504GS - - GL504GM - - GL504GV series: GL504GV-DS74 - - GL504GW series: GL504GW-DS74 Compatible Part Number (s): DFSCK221151810-FK7U (GPU Fan) Package Includes: 1x GPU Cooling Fan (Right side)