A-DATA Premier Pro 256GB MicroSDXC UHS-I U3 V30 A2 card with SD adapter, Black/Red

The ADATA Premier Pro is a 256 GB microSDXC card engineered for high-demand external storage operations, specifically targeting dash recorders, action cameras, and advanced mobile devices. It utilizes the UHS-I interface and carries a Class 10 designation. The card holds the Video Speed Class 30 (V30) rating, which guarantees a minimum sustained write speed of 30 MB/s, essential for capturing smooth, high bit-rate 4K video footage without dropping frames.

Sequential read performance peaks at 100 MB/s, enabling rapid transfer of large photo and video files to a host computer system. Maximum sequential write speeds reach 80 MB/s, providing necessary overhead for continuous burst photography and demanding recording workflows. This model also carries the Application Performance Class 2 (A2) qualification, optimizing random read and write access for quicker application loading and improved functionality when the card is used in compatible smartphones or tablets. For operational resilience, the unit is rated IPX7 waterproof, shock resistant, and protected against X-rays and temperature extremes.

• 256 GB total storage capacity in microSDXC format
• UHS-I interface with U3 speed classification
• V30 rating ensures 30 MB/s minimum sustained video recording speed
• A2 qualification for optimized application execution on mobile devices
• Maximum sequential read speed rated at 100 MB/s
• Maximum sequential write speed rated at 80 MB/s
• IPX7 waterproofing, shock resistance, and X-ray protection
• Includes one SD adapter for wider compatibility with host devices