The Ugreen CM856 is a versatile memory card reader that supports both USB-C and USB-A ports, ensuring compatibility with laptops, computers, tablets and smartphones. It includes three card slots (2× SD) and 1× microSD/TF card, enabling simultaneous reading and writing of two cards, significantly speeding up data transfer and streamlining work processes.
By supporting two cards (e.g. SD+SD or SD+TF) at the same time, you can easily copy data between data carriers without a computer. The Ugreen CM856 is ideal for photographers, filmmakers and those who often work with large files.
The USB 3.0 standard port reaches a transfer speed of up to 5 Gbps, which means that transferring a 1 GB file takes just a few seconds. UHS-I/UHS-II card support guarantees compatibility with modern data carriers and fast write/read speeds.
The reader supports up to 4 TB memory cards, giving you the freedom to create even the most demanding video projects or high-resolution photos.
The solid aluminum housing, silicone protective cover and built-in braided USB-C cable ensure durability and comfort in all conditions.

- Model CM856
- Manufacturer code 55899
- Input connector type USB-C male, USB-A male (with OTG adapter)
- Type of output connectors 2× SD slot, 1× microSD (TF) slot
- Transfer standard USB 3.0
- Transmission speed Up to 5 Gbps
- Supported card types SD, SDHC, SDXC, microSD, microSDHC, microSDXC (UHS-I/UHS-II)
- Supported card capacity Up to 4 TB