Brief Introduction: 1. 100% Brand New & Never Used Item; 2. The thickness of this adapter is 9.5mm or 12.7mm (please choose the size you need); 3. Internal Interface: SATA (for 2.5'' HDD/SSD); 4. External Interface: SATA (for Laptop/ Mother Board); 5. The 2nd Hard Disk Drive Caddy / Adapter to bring you new maximum data storage flexibility. 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. Compatible: The Universal SATA-to-SATA Caddy is compatible with laptops that has a 9.5mm or 12.7mm thickness optical bay with SATA interface ((please choose the size you need). Package List: 1 x HDD Caddy (please choose the rihgt size you need). ) 1 x Screw Driver 4 x Screws

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. Supports Windows XP/ 2003/ Vista/ 7/ 8.1/ 10 OS. Hot-Swap support, able to swap between optical drive without shut down. Just plug it into the optical bay or replace the old drive, and the second hard drive will be detected. Fully integrated into Laptop, no cables / PSU / software driver needed. 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 / 12.7mm Serial ATA Hard drive HDD and SSD (Solid State Drive) as well. This product is a SATA interface with a thickness of 9.5mm/ 12.7mm. As long as your computer meets our conditions, any brand can be used.