Welcome to the store! 1. Offers two different thicknesses: 9.5 mm and 12.7 mm to choose from. 2. This adapter accepts 2.5" SATA HDD or SSD. 3. Plug & Play, fully integrated into a laptop, no cables needed. 4. Dual boot, supports installation of the second operating system on the second hard drive and boot selection. 5. Supports SATA I / SATA II / SATA III transfer standards. Features: - Offers two different thicknesses: 9.5 mm and 12.7 mm to choose from. - This adapter accepts 2.5" SATA HDD or SSD. - Plug & Play, fully integrated into a laptop, no cables needed. - Dual boot, supports installation of the second operating system on the second hard drive and boot selection. Supports SATA I / SATA II / SATA III transfer standards. Specifications: - Housing material: ABS - Interface: SATA I \ II \ III - Thickness: 9.5 mm, 12.7 mm (optional) - Supported hard drive: 2.5" HDD, SATA, SATA II SDD - Compatible models: Laptop with a 9.5/12.5 mm thick DVD-ROM - Color: Black What's in the package: - 1 x Hard Drive Optical Bay Caddy with mounting - 1 x Screwdriver - 1 x Bag of Screws