Features:Plug & Play.Fast and reliable connection just as the primary HDD.Fully integrated into Laptop, no cables/PSU/software driver needed.Dual boot, support installation of 2nd Operating System on the 2nd HDD and boot selection.Type: Hard Drive CaddyMother Board Interface: SATAMaterial: Aluminum & PlasticInterface: SATA to SATATo Fit: 2.5" DriveCompatible Model: Universal (Compatible with the laptop to swap 12.7mm height optical drive with SATA connection.)Caddy Thickness: 12.7mm/0.5" (Approx.)Package Includes:1 x 2nd Hard Drive Caddy (HDD/SSD is not included.)4 x Hard Drive Screws