EagleTec MRU381W USB 3.0 3 Slots Card Reader Supports data transfer speeds up to 100MB/s. Complies with USB 3.0 spec Rev.1.0, backward compatible with USB 2.0 and USB1.1. Supports 1 luns, for CF, SD and MicroSD. Supports SD V2.0/3.0, SDHC Ultra II SD/ Extreme, SDXC UHS-I, MICRO SD/ SDHC/ SDXC UHS-I, CF V4.0 with Ultra DMA mode 6. Makes the transferring of photos and data simple and easy.