The ASUS X409FJ THM fan is an original cooling fan for ASUS VivoBook laptops in the X409 and X509 series. It is designed to provide reliable thermal management and maintain safe processor temperatures under load.

The product is new and has undergone full testing, including noise testing. It uses a 4-wire, 4-pin connection and operates at DC 5V. In terms of compatibility, it supports multiple ASUS models, including X409, X409F, X409FA, X409FJ, X409FB, X509, X509FB, X509FL, and X509FJ. The product identification number is 13NB0MT0T01311. This is an internal laptop cooling component and not a standard desktop case fan.