Check the listing for details. SanDisk SD UHS-I Card Reader - SDDR-C531-GNANN. Condition: New. Listed at 16.75 USD. BRAND NEW - SEALED RETAIL PACKAGE SanDisk SD UHS-I Card Reader - SDDR-C531-GNANN Supports SD/SDHC/SDXC UHS-I A super-fast SD card reader with a USB connector, works with UHS-I cards and is backwards-compatible with other SD cards. What’s in the box -SanDisk Extreme PRO SD UHS-II Card USB-C Reader/Writer. - Safety & Warranty Guide. Fast UHS-I transfer speeds of up to 170 MB/s (performance may be lower depending on host device, interface, usage conditions and other factors. 1MB = 1, 000, 000 bytes) A super‐fast SD card reader with a USB connector, the SanDisk SD UHS-I Card Reader - SDDR-C531-GNANN works with UHS‐I cards and is backwards‐compatible with other SD cards. It delivers amazing workflow efficiency for routine backup or transferring large files. Whether you want to transfer huge video files or back up photos, the SanDisk SD UHS-I Card Reader - SDDR-C531-GNANN is the perfect companion.