The USB 3.0 Universal Memory Card Reader is an ultra-fast way to transfer photo and video files to your computer. Designed for USB 3.0, this reader is also backwards compatible to USB 2.0 and USB 1.1. Compatible card formats include: CF Type I (UDMA), CF Type II (UDMA), SD (all classes), SDHC (all classes) SDXC (all classes), microSD, microSDHC, Memory Stick, Memory Stick Micro, MicroDrive, MMC, Memory Stick XC, Memory Stick DUO (HG), Memory Stick PRO (HG), Memory Stick PRO DUO (HG). OS compatibility includes Windows ME, XP, Vista, and 7; along with Mac OS X 9 and later. In addition, Delkin backs this reader with an impressive 5-year warranty and free Delkin technical support.