I know this model. It used
It used the common 2.5 inch SATA HDD. There are some thousands of cases you could get and even 3.5 inch cases work!
The sheer selection could confuse us.
Here's one. http://www.amazon.com/Vantec-NexStar-2-5-Inch-External-Enclosure/dp/B002JQNXZC/
That's 7.91 to my mailbox. And it has the preferred USB Y cable for power.