IOGEAR Compact USB 3.0 SDXC/MicroSDXC Card Reader/Writer - SD, SDHC, SDXC, MultiMediaCard (MMC), Micro Size MultiMediaCard (MMC), Reduced Size MultiMediaCard (MMC), miniSD, microSD, miniSDHC, microSDHC, microSDXC, .. - USB 3.0External - 1 Pack

* Requires card adapter SuperSpeed data transfer - up to 5Gbps Compliant with USB 3.0, 2.0 and 1.1 specification USB powered - no external AC adapter required Supports: SD (512GB max), microSD (256GB max) / T-Flash, MMC, MMC Plus*, RS-MMC*, MMC* Mobile (128GB max)