When you're seeking to enhance your desktop computer's wireless connectivity, the StarTech PCI Express AC1200 Wireless Network Adapter is a top-tier choice. This device, designed to fit seamlessly into a PCIe slot, provides robust dual-band Wireless-AC connectivity, making it an ideal solution for both office and home wireless networks. When paired with an 802.11ac router, this Wireless-AC adapter delivers exceptional speed and range, meeting the growing demands of today's network resources. The dual-band Wi-Fi adapter is engineered to support maximum data transfer rates of up to 867 Mbps on the 5GHz band, which is three times the speed of a standard Wireless-N. Additionally, it can support up to 300 Mbps on the 2.4GHz band. This high-speed capability makes the StarTech PCI Express AC1200 Wireless Network Adapter perfect for bandwidth-intensive applications such as HD video streaming, online conferencing, large file transfers, and high-performance gaming. The adapter features a versatile 2T2R (2 transmitter, 2 receiver) detachable antenna design. Included with the adapter is a magnetic antenna stand that can be conveniently mounted to the top or side of your PC case. The controller card comes equipped with a standard profile bracket and also includes a low-profile/half-height bracket, making it suitable for installation in small form-factor computers. To ensure compatibility with all your networking devices, the adapter is backward compatible with 802.11a/b/g/n networks. In summary, the StarTech PCI Express AC1200 Wireless Network Adapter offers a powerful and versatile solution for upgrading your computer's wireless connectivity.