Using the Quad CF PCI Adapter (AD4CFPRJ) from
Addonics Technologies, you can add up to four Compact Flash (CF) flash expansion cards to your system to form a RAID array.

Quad CF PCI Adapter is installed in the PCI slot. Moreover, its compactness allows you to place a novelty in the case of reduced height. The device is compatible with operating systems DOS, Windows 98, ME, NT 4.0, 2000, XP, Vista, and also Linux kernel 2.4. It supports UDMA, DMA and PIO modes and allows you to configure connected CF cards as one large volume, as several independent volumes (by the number of cards) and as a RAID array with RAID modes 0, 1 and 10.
The cost of Quad CF PCI Adapter is $ 50.
via
Yahoo! News