Works with all laptops that have a 9.5mm SATA optical bay. Support hard disk:2.5 inch SATA,SATAII,SATAIII HDD SSD. With a second hard drive, you can quickly store and back up critical data. Auto-adaptive to all channels. This Hard Drive Adapter lets you add a second hard drive to the laptop systems.PRODUCT DESCRIPTION Specification: 1. The thickness of this adapter is 9.5mm 2.- Internal Interface: 7+15 22Pin SATA (for 2.5" HDD/SSD or ssd drive) -External Interface: 7+6 13Pin SATA (for Laptop's Motherboard) 3. The 2nd Hard Disk Drive Caddy can bring you new maximum data storage flexibility. 4. 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.) Features: 1. Plug & Play 2. Fast & Reliable connection just as the primary HDD. 3. Fully integrated into Laptop, no cables / PSU / software driver needed. 4. Dual boot, Support installation of 2nd Operating System on the 2nd HDD and boot selection. Compatible: The Universal SATA-to-SATA Caddy is compatible with laptops that has a 9.5mm-thick / high optical bay with a SATA interface. Package List: 1 x HDD Caddy 1 x Screw Driver 4 x Screw