ADATA ASDX256GUI3V30S-R memory card 256 GB SDXC UHS-I Class 10

The ADATA 256GB SDXC UHS-I ASDX256GUI3V30S-R is a high-capacity SDXC memory card designed for imaging devices that demand sustained performance. With 256 GB of storage, UHS-I interface and Class 10 flash rating, this card offers read speeds up to 100 MB/s and write speeds up to 60 MB/s. It carries UHS Speed Class 3 (U3) and Video Speed Class V30 certifications, making it suitable for Full HD and Ultra HD 4K video recording as well as burst photography. The card is available in blue and black and includes built‑in protections to enhance durability.

Advantages

The card combines large capacity with professional-grade speed: 256 GB of storage and up to 100/60 MB/s read/write performance reduce buffer times and accelerate file transfer. V30 and U3 ratings ensure consistent video recording at up to 30 MB/s for Ultra HD 4K workflows. Built-in features such as a write-protect switch and error-correcting code improve data integrity, while multi-point protection against water, shock, X-rays, static and temperature extremes increases reliability during field use.

Suitable for

• DSLR and mirrorless cameras for burst photography
• 4K and Full HD video recording
• Action cameras and drones requiring sustained write speed
• High-capacity storage for long shoots and extended recording sessions

Key specifications

• Capacity: 256 GB
• Format: SDXC
• Interface: UHS-I
• Flash memory class: Class 10
• UHS Speed Class: U3
• Video Speed Class: V30
• Maximum read speed: up to 100 MB/s
• Maximum write speed: up to 60 MB/s
• Weight: 0.002 kg
• Available colours: Blue, Black

How to use

Insert the ADATA SDXC card into the SD card slot of a compatible camera, recorder or card reader with the label facing up and the contacts toward the device. For first use, format the card in the camera or device to ensure optimal file system compatibility. Use the built-in write-protect switch to prevent accidental deletion when needed. When transferring files, connect a compatible card reader to your computer and copy files using the operating system’s file manager; safely eject the card before removal to avoid data corruption.

Recommendations

For reliable 4K recording and burst shooting, format the card in the camera before use and check device compatibility with SDXC and UHS-I U3/V30 specifications. Keep backups of important footage and use the write-protect switch when transporting the card to reduce the risk of accidental overwrites.