* Transfer rate of Hi-Speed USB 2.0 interface can be up to 480 Mb/sec (Max) * Internal design fitting into 3.5" drive bay to save the desktop space. * Supports Hot-Swapping and Plug and Play function. * Sockets:Memory cards socket x 5, USB socket x 1 * USB Bus powered; no external power required. * Supports Mass Storage Class Drive * Support Win 98 or higher, Mac OS V9.2 or higher * No driver installation required for Windows ME or aboveSupports the following formats:Compact Flash Card (Type I), Compact Flash Card (Type II), Extreme CF, Extreme III CF, Ultra II CF, HS CF, XS CF, CF Pro, CF TXTRA Pro, CF Pro II, MD, Hitachi MD, Magic Stor, MS, MS Pro, MS Duo, MS Pro Duo, MS Magic Gate, MS Magic Gate Duo, MS Magic Gate Pro, MS Magic Gate Pro Duo, Extreme MS Pro, Extreme III MS Pro, MS Select, MS Rom HS, ULTRA II MS PRO HS, HS MS Pro, HS MS Pro Duo, HS MS Duo, SD, Extreme SD, Extreme III SD, SD Pro, SD Elite Pro, HS SD, Ultra Speed SD, SD-Ultra-x, HS Mini SD, MMC 1, MMC 2. MMC 4.0, SM, SM Rom, XD, HS RS MMC, DV-RS MMC, RS MMC 4.0, RS MMC