Gigabyte GC-WB867D-I-L LOW PROFILE REV 4.2 Bluetooth 4.2/Wireless AC/B/G/N Band Dual Frequency 2.4Ghz/5.8Ghz Expansion Card , 2 x 2 Tx/Rx, 1x PCIe Windows 7, 8, 10 Compatible LOW PROFILE CHASSIS ONLY This version of the card is for LOW PROFILE or HALF Height Cases only. This card will not fit in a standard desktop size PC case. Supports 802.11 AC/B/G/N Band Wireless 2.4Ghz and 5.8Ghz + Bluetooth 4.2 Designed for desktop computers and fits in a standard 1x PCIe slot External antenna for optimal signal reception up to 867Mbps 32 bit and 64 bit Windows 7, 8, and 10 drivers Supports Intel WIDI