The hard disk bracket is made of durable metal alloy, which has good heat dissipation, is not easy to deform, and effectively protects the hard disk. Supports 2.5 inch to 3.5 inchhard drives (SSD and HDD), compatible with SATA I&II and III (only for tower chassis or devices with 3.5 inch internal drive bays) Support 2.5 inch hard drives (SSD and HDD) and fits all popular PC casings Secure Connection: Locking latch on each end of the cable to ensure secure connections for fast and reliable file transfer. 6 Gbps Fast Data Transfer ,backwards compatible with SATA I and SATA II. Data transfer speed is limited by rating of the attached equipment. The product is equipped with sata interface and 4pin interface power cord, and steering SATA data line to meet various DIY installation needs. Colour:black Material:Metal alloy Size:115 x 101 x 13mm Package Contents: 2 * 2.5 Inch Hard Disk Drive Mounting Bracket 1 * 4 Pin to Dual 15 Pin SATA Power Cable 1 * 15 Pin to Dual 15 Pin SATA Power Cable 2 * SATA Data Cables(Random Color,The specified color is not accepted) 1 * Screw Driver 1 set * Screws