http://www.amazon.co.uk/TP-LINK-TL-WN823N-300Mbps-Wireless-Adapter/dp/B0088TKTY2/ref=sr_1_2?ie=UTF8&qid=1424452884&sr=8-2&keywords=wifi+adapter+usb
Has WPS , 4.1 stars rating http://www.amazon.co.uk/TP-LINK-TL-WN881ND-300Mbps-Wireless-Express/dp/B006BSPTAQ/ref=sr_1_1?ie=UTF8&qid=1424452860&sr=8-1&keywords=wifi+adapter+pci
4.2 Stars rating Both are from Tplink reliable for me in the past amazons got great customer service have a look aty the reviews at the bottom of each to help decide