Stream 4K videos, play online games, and transfer data wirelessly by installing the Archer T5E AC1200 Wi-Fi & Bluetooth 4.2 PCIe Adapter from TP-Link into your desktop computer's available PCIe express slot. Featuring two powerful external antennas, this dual-band adapter can reach speeds of up to 300 Mb/s over the 2.4 GHz band and up to 867 Mb/s over the 5 GHz frequency when connected to compatible 8011.ac devices. The Archer T5E also supports Bluetooth 4.2 technology, which is up to 2.5x faster than Bluetooth 4.0. Use it to pair compatible wireless devices such as speakers, headphones, keyboards, mice, and more to your computer system.