Gigabyte GC-WB867D-I 802.11a/b/g/n/ac PCI-Express x1 Wi-fi Adapter. This exclusive all in one PCIe wireless AC network and Bluetooth 4.0 / 4.2 expansion card gives you loads of functionality and delivers dramatically higher Wi-Fi speeds than 802.11n. These faster wifi speeds (up to 867 Mbps) will equate to faster transfer rates, better gaming, and increased bandwidth for downloads, streaming, and more! You'll get broader coverage and better power efficiency (more data transmit efficiencies = reduced power consumption). Exclusive Bluetooth 4.2 The GC-WB867D-I also supports for the latest Bluetooth 4.2 connectivity. The Bluetooth 4.2 standard features sync data quickly and reliably that is up to 2.5x faster with a huge packet capacity increase - nearly 10x more versus previous versions. This card is very special because it's one of the only ones that combines bluetooth capabilities into a wifi expansion card.