and high quality 9.5mm thick This Hard Drive Adapter lets you add a second hard drive to the laptop systems. 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 (with the added hard drive) in its place This is a good working adapter and is guaranteed. Unpack the drive, lift the adapter retaining latch, the screw to the hard disk Insert the drive into the Adapter at an angle Slide the drive into the connector until it locks into place Lower the adapter retaining latch until it snaps closed Case Material: Aluminum Size: 2.5 inch, 3.5 inch Internal Interface: SATA Model Number: 2nd Hard Drive Caddy Support: SATA Support hard disk: 2.5 HDD, SATA, SATAII SDD Compatible Models: Laptop with a 9.5mm thick DVD-ROM Color: black Size: 125 x 125 x 9.5mm Specifications: Hard Drive Adapter Add a second hard drive Can quickly store and back up critical data Give you another hard drive Simply remove your CD/DVD-ROM drive A good working adapter Package Contents: 4 x SSD Hard Disk Bracket