UGREEN CM803 Overview

The UGREEN CM803 2-in-1 USB-C / USB-A Card Reader is a versatile and high-speed solution designed for seamless data transfer across multiple devices. Featuring dual connectors (USB-C and USB-A), it eliminates the need for multiple adapters and ensures compatibility with both modern and legacy devices.

Equipped with USB 3.0 / USB 3.2 Gen1 technology, the reader delivers data transfer speeds up to 5Gbps, while supporting UHS-II cards for ultra-fast performance up to 312MB/s, making it ideal for transferring large files like 4K videos and RAW images.

The device includes dual card slots (SD + microSD/TF) and supports simultaneous reading and writing, allowing efficient workflows without constant plugging and unplugging.

With its plug-and-play design and OTG support, the CM803 works directly with laptops, desktops, and compatible smartphones/tablets—perfect for creators and professionals on the go.