SanDisk Micro SD Express, 256GB micro SD card, Read speeds up to 880 MB/s, Write Speeds up to 480MB/s, Sustained Write 100MB/s, Up to 4.4 times faster read speeds than our fastest microSD Class 10, U3

The SanDisk Micro SD Express 256GB microSD card delivers ultra-fast performance with read speeds up to 880MB/s and write speeds up to 480MB/s, including sustained write speeds of 100MB/s. Offering up to 4.4 times faster read speeds than SanDisk’s fastest Class 10 U3 cards, it enables rapid data transfers, smooth 4K video capture, and efficient app performance. Its cutting-edge SD Express interface makes it ideal for content creators, gamers, and professionals demanding high-speed, high-capacity storage in a compact form factor.