Silicon Image SiI 3114 SoftRaid 5 Controller is a single-chip PCI to 4-port Serial ATA (SATA) host controller. The chip is ideal for applications such as servers, workstations and storage systems featuring peripherals with this new storage interface standard. Features: Serial ATA (SATA) – 1.5 Gbps (150MB/s). Supports command buffering for ATA TF shadow registers. Supports up to 4MB external FLASH. Supports ATAPI devices: CD-ROM, DVD-ROM, etc. Hot-Plug capable. Integrated SATA Transport, Link logic, and PHY layer.