Universal 2nd Hard Drive Optical Bay Caddy SATA 95 mm for Laptops-The height of this adapter is 95mm;-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;-Packing include: 1 Hard Drive Caddy , 1 ScrewdriverSimple installation: Remove CD-ROM drive and plug the adapter (plus hard drive) in slot