This is the ASUS PCE-AC88, a PCI-E wireless LAN adapter. I've used it for about a year. It was working without any problems right up until I removed it. 【High-Speed Communication】 The ASUS PCE-AC88 is a PCI-E wireless LAN card boasting speeds of up to 2167Mbps. It provides a fast internet connection, making it ideal for streaming and online gaming. 【Stable Connection】 Equipped with four antennas, it offers a stable Wi-Fi connection over a wide range. The signal is strong even in environments with many obstacles, providing a comfortable network experience. 【Easy Installation】 It can be easily installed in a PCI-E slot, and you can set it up smoothly by following the included instruction manual. - Brand: ASUS - Model: PCE-AC88 - Maximum Speed: 2167Mbps/1000Mbps - Connection Type: PCI-E - Number of Antennas: 4 - Included Accessories: As shown in the photos [Specifications] Standards: IEEE 802.11 ac/n/a/g/b Interface: PCI Express ×1 (Please note that it is not USB.) Frequencies: 2.4Ghz, 5Ghz Speeds: 1734Mbps when using 11ac 2167Mbps when using 11ac and Nitro-QAM 600Mbps when using 11n (2.4Ghz) 1000Mbps when using 11n and Nitro-QAM Supported OS: Windows 7, Windows 10 (Operation on Windows 11 has not been confirmed.) Thank you for viewing.