The Intel WIFI Link 5100 is a high-performance wireless adapter designed for Lenovo Thinkpad SL400, SL500, T400, and W500 models, offering reliable connectivity and enhanced internet speeds. With the part number 43Y6493, this adapter ensures seamless integration and optimal performance, making it an ideal choice for users seeking to upgrade their laptop's wireless capabilities. Its compact design and advanced technology provide a stable connection, enabling efficient browsing, streaming, and online communication. The item may have some signs of cosmetic wear, but is fully tested, operational and functions as intended. Pictures are representative of the item, but may not be exact unit received. We Appreciate Your Business.