The Sabrent CR-BMC3 4-Slot Card Reader offers a compact solution to access the most popular flash media, including SD, SDHC, Mini SD, Micro SD,T-Flash, MS, Compact Flash. Easily transfer files from your flash memory to your computer at superfast USB 3.0 speeds of up to 5Gb/s (reverse compatible with USB 2.0); or you can use the Card Reader, with memory inserted, as a virtual thumbdrive and transport your files from your computer on the go. The driverless plug & play solution makes for easy installation and no driver CD is needed. Also includes an LED to indicate power and activity. Available Slots: SD/SDHC/SDXC/MMC MS/MS PRO Duo T-Flash/MicroSD/MicroSDXC/MicroSDHC Compact Flash (CF) Supports SDHC (UHS-I), SDXC (UHS-I), microSD, microSDHC (UHS-I), and microSDXC (UHS-I) , SDHC (UHS-II), SDXC (UHS-II), microSD, microSDHC (UHS-II), and microSDXC (UHS-II) How it works: Simply Plug & Play Requirements: Windows XP/Vista//7/8/8.1/10 Mac OS X v10.3.9 or later Available USB port (USB 3.0 port for Hi-Speed mode)