SODIAL(R) Hot Sale Universal Aluminum 12.7mm SATA 2.0 2nd HDD Caddy 2.5" HDD Case SSD Enclosure for Notebook 12.7mm ODD DVD-ROM Optibay 100% Brand New Plug & Play Fast & Reliable connection just as the primary HDD. Fully integrated into Laptop, no cables / PSU / software driver needed. Dual boot, Support installation of 2nd Operating System on the 2nd HDD and boot selection.