Silicon Image SiI 3132 SoftRaid 5 Controller is a single-chip, one-lane PCI Express to 2-port Serial ATA (SATA) II host controller that brings server-class features to the desktop. SiI 3132 also supports all Serial ATA II features, including 3.0 Gbps SATA II transfer speeds, Native Command Queuing, port multipliers with FIS-based switching, programmable output signal swing strengths for longer external cables or extended backplanes, hot plugging, enclosure management and ATAPI device support.