IOGear USB card reader - This thumb size memory card reader from IO gear lets you read flash memory cards on your notebook or desktop PC. This SDXC card reader can read memory cards up to 2TB in size. Never lose access to your data when you carry this SD and MicroSD card reader! IOGear GFR204SD Thumb Size USB 2.0 SD / Micro SD Card Reader (Green. IOGear GFR204SD Thumb Size USB 2.0 SD / Micro SD Card Reader (Green . IOGEAR SDMicroSDMMC Card ReaderWriter GFR204SD GreenGray Iogear SD/MicroSD/MMC Card Reader/Writer, Model: GFR204SD.