Features: 1.Support system: for windows10 (not support for WIN7 /WIN8 ). 2.Bluetooth: 5.0; backward compatible with 4.2 /4.0 /3.0, etc. 3.1550AC for KILLER fully supports for mu-mimo technology. When using 160MHz channels under 5g routers, they can deliver up to 1.73Gbps (twice as much as 1535ac!!), the corresponding high-end routing needs to be used together, otherwise the gigabit rate ca 4.Wireless - AC for Killer ? 1550 is the world's fastest 2 x 2 11 AC Wireless network adapter. 5.It is the first product that has been produced by both for Rivet Networks and for Intel. specification: Support system: for windows10 (not support for WIN7 /WIN8 ). Bluetooth: 5.0; backward compatible with 4.2 /4.0 /3.0, etc. 1550AC for KILLER fully supports for mu-mimo technology. When using 160MHz channels under 5g routers, they can deliver up to 1.73Gbps (twice as much as 1535ac!!), the corresponding high-end routing needs to be used together, otherwise the gigabit rate cannot be achieved. Wireless - AC for Killer 1550 is the world's fastest 2 x 2 11 AC Wireless network adapter. It is the first product that has been produced by both for Rivet Networks and for Intel. : Version: the brand new official version Brand: for Killer Model: 1550 ac for killer Wireless: 802.11 AC/a/b/g/n/AC 2.4 G & 300 MBPS 5 g & 1.73 Gbps Size: approx. 3.1 * 2.2 * 0.2 cm / 1.2 * 0.9 * 0.1 inch Interface: NGFF M2 Package List: Network card * 1 Note: Some devices for Lenovo and for HP are not supported.