this one is a card.
A card will probably get you better range than a USB stick.
Now this is a pci-express card also so you need to make sure you have a pci-express slot. If not then you have to go PCI slot instead.
read comments, do some research, and be an informed consumer before buying.
Uh, just so I'm sure, does this give my desktop WIRELESS capabilities... I'm not asking for an expansion to plug an ethernet cable into if that's what that is