Cable Matters 3-Port SuperSpeed USB 3.0 Hub with SD Card Reader in Black USB 3.0 Transfer rates at 5 Gbps, 10x Faster than USB 2.0 Compact and Slim, Strip-shape Design, No Power Adapter Required Supported cards: SD, SDXC, SDHC, MicroSD Supports Windows 8, 7, Vista, XP, 2000 and Mac OS X Comes with Cable Matters Limited One Year Warranty