Type: Universal 9.5mm Second HDD Caddy Color: Black Thickness: 9.5mm Interface: SATA 3.0 Support Hard Disk: 2.5" HDD, SATA, SATAII SSD Compatible Models: Laptop with a 9.5mm thick DVD-ROM Function: This Serial ATA Hard Drive Adapter lets you add a second hard drive to the laptop systems. Use: With a second hard drive, you can quickly store and back up critical data. Add this caddy to your laptop to give you another hard drive. Simply remove your CD/DVD-ROM drive and put the Caddy.