Description: Bracket interface: SATA serial port (supports SATA3.0, backward compatible with SATA2, SATA1) Bracket thickness: 9.5mm Support hard disk: 2.5 inch SATA serial hard disk, support hard disk thickness 9.5mm Plug and play, free installation driver The external interface of the bracket is 13Pin notebook optical drive SATA port The internal interface of the bracket is 22Pin SATA3.0 interface, HDD and SSD supporting 2.5-inch SATA interface Specification: material: plastic Size: 128*127*9.5mm Package Includes: 1x HDD holder 4x HDD Screws 1x Screwdriver