100% brand new and high qualityAdd 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.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.Support: SATASupport hard disk: 2.5 HDD, SATA,SATAII SDDCaddy Thickness: 12.7mmHow to use: Unpack the New drive, lift the adapter retaining latch, the screw to the hard diskThree channels are optional for different branded laptops as the picture showsInsert the drive into the Adapter at an angleSlide the drive into the connector until it locks into placeLower the adapter retaining latch until it snaps closedColor: black + silverMaterial: ABS + metalProduct size: 12.7*12.7*1.27cmPackage Contents: 1* Second HDD caddy 12.7mm1* Screwdriver1* BaffleOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.