TRENDnet 450Mbps USB WiFi adapter, support dual-band Wireless N, priced at $79.99.

Features Advanced Multiple Input Output (MIMO) antenna technology, with three spatial streams per antenna, maximum theoretical wireless throughput of 450 Mbps, quickly connect to a 450 Mbps 2.4 GHz or 5 GHz wireless network.

Supports 64/128-bit WEP, WPA/WPA2-RADIUS, and WPA-PSK/WPA2-PSK security standard and Wi-Fi Protected Setup (WPS), includes WMM Quality of Service (QoS) technology prioritizes gaming, Internet calls, and video streams. Comes with a 100cm USB cable and is USB-powered.