Lenovo ThinkPad T420i 4177-QGU Notebook PC - Intel Core i3-2310M 2.10GHz, 4GB DDR3, 320GB HDD, DVDRW, 14 Display, Windows 7 Professional 64-bit at TigerDirect.com
Amazon.com: Laptop Wireless Network Adapter for Lenovo Thinkpad T420i T420S, Mini PCI E 2.4G/450Mbps 5G/450Mbps WiFi Network Card Chip for Intel 6300AGN, System for win7/win8/win10 : Electronics