OnSpecís xSil 258B Flash media Controller is a USB to Media Multi-Slot controller. It takes advantage of the new media types with faster transfer rates and higher memory capacities. Industry standard flash memories and open standards like CF, SD and SD HC etc are supported. It is a complete System-On-Chip (SOC) solution for interfacing various flash media and CF Form-Factor ATA Hard Drives to Full Speed USB (USB 1.1) or Hi-Speed USB (USB 2.0) Bus.

OnSpec offers reference designs, firmware, drivers, and manufacturing test software to make product development easy. OnSpecís patented technology provides optimum throughput and superior flash media compatibility.