Intel RES3TV360. Supported storage drive interfaces: SAS,Serial ATA. Data transfer rate: 12 Gbit/s, Form factor: Midplane Board, Internal memory: 8 MB. Voltage: 12 V. Width: 57.1 mm, Depth: 216 mm. Packaging content: (1) Expander board and short cables to connect to 24-ports on nearby drive backplane