Description:This is a great server disk caddy tray for 12.7mm CD-Driver Laptop All in One ServerComes with 4 screwsAccepts 2.5 Inch SATA3.0 I II III HDDHDD Interface: SATA (2.5" sata or ssd drives)Laptop/ Mother Board Interface: SATACompatibility:For Laptop All in One Server with 12.7mm CD-DriverSo please make sure our caddy is suit for your laptop before the purchase.If you can not be sure of the compatibility， Please do contact us first before you buyThickness: 7mm/9.5/12.7mmPackage Includes:1 x Caddy Tray4 x Screws