StarTech.com AC600 Wireless-AC Network Adapter - 802.11ac, PCI Express - Dual Band 2.4GHz / 5GHz PCIe Wireless Network Card (PEX433WAC11) - network adapter - PCIe

Add advanced 802.11ac Wi-Fi connectivity to a computer or server through a PCI Express slot - with dual band 2.4/5 GHz frequencies and up to 433 Mbps. Upgrade your desktop PC or server to powerful 802.11ac wireless networking. This AC600 network card fits easily into a PCI Express expansion slot to give you dual-band wireless-AC connectivity with speeds up to 433 Mbps.
This wireless-AC adapter lets you add dual-band wireless-AC connectivity to a desktop computer through a PCIe slot. Ideal for your office or home environment, the PCIe Wi-Fi adapter provides a wireless range of up to 100 feet (30m), when paired with an 802.11ac router. It's a cost-effective solution for adding or upgrading to the latest 802.11ac dual-band wireless networking.
The Wi-Fi adapter supports data rates of up to 433 Mbps at 5 GHz, and 150 Mbps at 2.4 GHz. Two detachable external antennas enhance reception and provide more reliable connections.
The versatile USB Wi-Fi adapter gives you dual-band 2.4/5 GHz support, so you can connect easily to the less congested 5GHz wireless network to enjoy lag-free HD video streaming, online gaming, file transfers or other bandwidth-intensive applications. The WMM Quality of Service (QoS) feature quickly prioritizes video streams, Internet calls and online gaming.
This network adapter has a 1T1R (1 transmitter, 1 receiver) antenna design and features two detachable external antennas (dual-band 3dBi). To integrate easily with all of your networking devices, the wireless network adapter is backward compatible with 802.11a/b/g/n networks.
The network card is easy to install in the PCI Express slot on your standard or small form-factor computer. It comes equipped with a standard profile bracket, and includes a low-profile bracket that you can swap in to mount the card in smaller or space-constrained systems.