Netgear WN311B Wireless-N PCI Adapter for $15 + free shipping
newegg offers the Netgear WN311B Wireless-N PCI Adapter, model no. WN311B-100NAS, for $14.99 with free shipping. That's the lowest total price we could find by $31. This adapter allows you to connect a desktop to wireless networks and features data rates up to 300Mbps.
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