Description: The 2nd Hard Disk Drive Caddy / Adapter to bring you new maximum data storage flexibility, with the compact portable design. Which can work with 2.5 9.5mm Serial ATA Hard drive HDD and SSD (Solid State Drive) as well. With the second HDD in your Laptop, You can speed to backup important applications and critical data ( Simply remove your CD-ROM drive and put the Caddy (with the added hard drive) in its place. Easy operation and convenient to use. Features: This caddy accepts 2.5 SATA (Serial ATA) HDD only, Support 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. HDD Interface: SATA I/II/III Laptop/ mother board interface: SATA I/II/III Size:127 x 126 x 9.5 mm Note: The bezel / faceplate that comes with the caddy is FLAT, and is not exactly matched. So maybe you need to remove your original DVD-ROM drive's faceplate to the caddy for proper look, any other accessories like Bracket is not included. Package Included: 1 x 9.5mm SATA Caddy 1 x Screwdriver 4 x Screws *Hard drive not included