How fast is SD card reader? Noriko July 11, 2018 09:18 Updated Follow A. The SD card reader has speeds up to 104 Mb/s. Related articles Can I use this with Apple SuperDrive? What are the dimensions of the item? How long is the USB cable on this Hub? Can the USB-C pass through port be used for anything other than charging the Macbook? FAQ Comments 0 comments Please sign in to leave a comment.