Newegg offers the Netgear WN311B Wireless 802.11n PCI Adapter, model no. WN311B-100NAS, for $15. This $15 mail-in rebate cuts it to $0. With $3.99 for shipping, that's the lowest total price we could find by $36, although we saw it for a buck less in December. This adapter allows you to connect a desktop to wireless networks and features data rates up to 300Mbps. Deal ends May 15.