This adapter is designed to slip conveniently into the 4000PRO, WipePRO and Rapid Image 2.5" Unit Caddies*. The use of this adapter along with the 2.5" Caddy allows the copying of Compact Flash (CF) cards utilizing the ICS-JMR Image MASSterTM 4000PRO, Rapid Image Duplicators and the WipePRO sanitization Station Unit. * UDMA mode only (Does not support CF that operates at PIO mode)