6Gbps base 1-to-5 Ports SATA III Port Multiplier Adapter Supports any type of SATA Device Hard Disk SSD Blu-ray Disc DVD DVD-RAM CD-RW CD-ROM Ideal for Back-up Small Business storage AudioVideo editing applications PM Bridge Board with L-type SCSI-1 Centronic 50pin Metal frame and Mounting hole includes screws Auto-negotiation support for 6Gbps 3Gbps and 15Gbps 5x SATA devices backward compatible Fully support for FIS-based switching and command-based switching SATA host controllers