Instead of using a slow, old USB hard drive dock, keep your SATA data rate with this easily accessible SATA II HDD Mobile Rack for 3.5″ drives from Brando. Your hard drives are secure-ish behind the keylocked door, it fits any 5 1/4″ drive bay and it even has 4 rubber feet so your ham-fisted attempts at removing the drive don’t cause crashes on your other ones. Comes with 2 spare keys and it’s only US$24.
SATA II Mobile Rack is intended to give simple access and portability to computer hard drives. Now, you can swap HDD easily.