During its teardown of the 2011 Mac Mini's released last month, iFixit discovered plenty of room inside to install a second hard drive. One of our readers discovered the proper process to install a second hard drive in his Mini, but now it's even easier.
iFixit has released the Mac Mini Dual Hard Drive Kit for $69.95 that includes all the necessary components to install a second hard drive in a 2011 Mac Mini.
Article Link: iFixit Offers Kit To Install 2nd Hard Drive in 2011 Mac Mini