Startechcom dual slot sd card readerwriter usb 30 with usb c sd 40 uhs ii access any two sd cards simultaneously on your usb type c enabled device with this ultra fast portable card reader provides read and write access for two sd sdhc or sdxc memory cards simultaneously fast usb 30 performance connects to the usb c port on laptops tablets smartphones and desktop computers supports sd 40 and uhs ii ultra high speed and is backwards compatible with older sd card versions comp