PCI to 4 Compact Flash Cards Raid Adapter, Enables CF to be used like Solid State Drive (SSD) Connects up to 4 Compact-Flash's - type I/II Cards in Slot 1 & Slot 2, Type I in Slot 3 & Slot 4 4 CF cards can be set as individual drive or as Raid 0 (String), Raid 1 (Mirroring), and Raid 10 (Mirroring Stripping) CF card can be a bootable device containing OS and application SilCfg Management Utility for Windows to show the Raid and devices status / report LED connector (HDD_LED) for the power and Drive Activity