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http://cgi.ebay.co.uk/802-11b-Wireless-Wifi-LAN-PCMCIA-Great-laptop-Card_W0QQitemZ190010037876QQihZ009QQcategoryZ74954QQcmdZViewItem
No. That one is designed for a laptop. Requires a card slot that is not standard on desktop PCs. You would have no place to plug it in.
For a desktop, you can either get a wireless card that sets inside your PC, inserted into one of the PCI slots with an antenna on the back. Or you can get one the plugs into a USB port. The USB has the advance that being "outside" the case, you can move it around if needed for best connection.
Also, the card you listed is an 802.11b card. They also make newer 802.11g cards. B cards only run at 11mps, while the G card run 5 times faster at 54mps. Huge difference when donwloading a file. (Minutes versus hours). Think "B" is bad and "G" is good when ordering a card.
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