I've tried cheap internal wifi cards and USB dongles but this blew them away,
Verified Purchase(What is this?)
This review is from: Asus USB-N66 450MBps USB 2.0 Wireless Dual-Band USB Ethernet Adapter (Accessory)
As a software developer I regularly come across different hardware configurations and have tried lots of devices to try and get a decent download speed over wifi, and this device has justified its cost.
When used with my BT Infinity broadband I get download speeds of around 8 or 9 megabytes per second.