Discover SanDisk’s fastest SD Express card reader, designed for offloading high-quality 4K and 5.3K video recording, high-end photography, and other media from the SD Express card to working drives. Featuring one SD Express slot and one microSD™ Express slot, this portable reader offers easy in-field ingest and backup, compatibility with the SanDisk Professional PRO-DOCK 4, and supports your SD and microSD™ UHS-I cards .