Features: 2nd HDD Case: Add a 2nd drive to your laptop by replacing your optical drive(CD/DVD-ROM), Improve laptop performance and upgrade capacity with extra hard drive. Universal SATA Hard Tray Enclosures: This device accepts 2.5" SATA HDD SDD,compatible with 12.7mm/9.5mm / 7mm high or less CD DVD drive slot;it could be made part of RAID array and Bootable, even make your Macbook be dual SSD. Lightweight and Durable: Aluminum alloy material, light weight, fast heat dissipation, good shock resistance, hollow design at the bottom, strengthening air circulation and heat dissipation, locking the hard disk with four screws, accurate hole position, preventing shaking and vibration, and protecting the hard disk from damage. High Performance: Support SATA III / SATA II / SATA I, Maximum Speed Up to 6Gps; Support Hot Swapping. Compatible Models: Apple Unibody Macbook / Macbook Pro 13 15 17 (late 2008/early 2009/mid 2009/late 2009/early 2010/mid 2010...etc) which has Optical drive SuperDrive( DVD/CD-ROM ) Build a second hard drive,HDD / Hard Disk Caddy is an easy solution to install an additional Hard disk / SSD (second) by replacing the DVD-ROM slot in your notebook. So that your notebook can have 2 hard drives at once. No more hassle with replacing HDD or carrying an external HDD. SATA port Supports 2.5inch 7mm / 9.5mm /12.7mm SATA I, SATA II, SATA III HDD or SSD. This caddy with your hard drive can expand the capacity of your computer, making your computer performance faster. You can quickly store and back up critical data. Installation .Unpack the adapter and the new hard drive .Load SSD/HDD hard disk .Insert the driver into the adapter at the minimum angle until the connector is locked .Tighten the bottom screw to fix the SDD/HDD hard disk .Slide the part into the optical drive bay until it locks into place Suitable for Most Brands The Hard Drive Caddy is suitable for mounting in a 12.7mm SATA CD / DVD slot (SATA 3 compatible) for12.7 mm 2.5 “HDD SSD. It can be used for most brands of laptop like HP ASUS DELL Lenovo Icer Sony etc. Package includes: 1 x 12.7MM SSD HDD Hard Drive Tray 1 x Universal bezel 1 x screwdriver 4 x M3 screws