With software or firmware, I don't think so, but you don't need a new drive. The drive itself has nothing to do with USB connection speed; that comes from the connection in the enclosure.
Here's a link to what you're looking for:http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=6321566&Sku=U12-40901
This is just a random pick for an example. I haven't used that particular product / brand, so DO NOT take this as an endorsement. There are a lot of manufacturers out there, so do a little shopping before you make a purchase.