![[IMG=full]](http://www.tonymacx86.com/screenshots/tp.png)
TP-Link PCI Express Adapter(TL-WDN4800)
450Mbps Wireless N Dual Band 2.4GHz/5GHz, compatible with 802.11a/b/g/n. PCI Express connector. Three antennas. Supports ad-hoc and infrastructure mode. WPA / WPA2 Encryptions.
http://www.amazon.com/TP-Link-PCI-Express-Adapter-TL-WDN4800/dp/B007GMPZ0A/
http://www.newegg.com/Product/Product.aspx?Item=N82E16833704133
I had the opportunity to test this...
Off the Shelf Native Airport - PCI Express Wifi Card!