You can buy such things for $20 to $50. The best ones have a case you put the HD into. The cheaps just have a connector that connects to the HD.
Here's a site:
**broken link removed**
yes use the disk cases they're called external disk case but here 's a warnin g don'T buy the cheapest because they don't have fan on it and the h.d.d. becomes very hot and then can be locked be careful on the case to have the cooling fan.