Lenovo Intel Dual Band Wireless-AC 3160 3160NGW 04X6034 for Lenovo Y40 Y50 E10-30 Thinkpad E455 E555 Only work on IBM version laptop Max Speed 433 Mbps Bands: 2.4Ghz and 5.8Ghz Wi-Fi Certified802.11ac a/b/g/n , 1x1 CompatibleLenovo Y40, Y50, E10-30, Thinkpad E455, E555