Description: brand new and high quality Feature: The 2nd Hard Disk Drive Optical bay Caddy/Adapter to bring you new maximum data storage flexibility. With the second HDD/SSD in your Laptop to swap optical drive, 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. The build-in lock screws make it easy to mount your second hard drive in the caddy. The caddy is build from aluminum which makes it light, sturdy and provides cooling for the hard drive. The inside of the caddy has a plastic holder to absorb noise and vibrations from a 2nd HDD/SSD. Updated SATA Board included fix for shutdown problem with 2nd HDD/SSD. Fully integrated into Laptop, no cables/PSU/software driver needed. Dual boot, Support installation of 2nd Operating System on the 2nd HDD/SSD and boot selection. 2nd Hard Drive HDD Caddy only, other accessories demo in the picture is not included Specifications: Item Type: 2nd Hard Drive HDD Caddy Material: ABS+Metal Size: 139x127x11mm/5.4x5x0.4in Color: Black for: for Lenovo IdeaPad 100 100-15IBD 320-15IK 330-15IK; for Lenovo B5400 GUE0N DU8A5SH. Quantity: 1 Pc Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 x 2nd Hard Drive HDD Caddy 6 X Screws