Supports 74 different types of memory cards
operating system support: windows me / 2000 / xp / vista / windows 7/8, linu / mac os x internal power connector to ensure that the usb hub has enough power for external usb devices
also, 1 usb 2.0 port.
The 6 card reader slots include all formats of the following types of flash media: m2, xd, sd / sdhc / sdxc / mmc, micro sd / sdhc / sdxc (t-flash) cf / md, ms (some cards may require adapter).