The ultra high speed PRO+ SDHC UHS-I memory card supports digital devices with SD card slot. With the Class 10 & UHS-I U3 speed standard, the read & write speed are up to 90MB/s & 80MB/s, providing speedy access to a large number of files. The flash chip adopts MLC technology with which enhances the storage stability & performance of the card. It supports 4K full HD recording, you can enjoy the highest-quality of video chips. Read: Up to 90MB/s Write: Up to 80MB/s Features: Reaches Class 10 & UHS-I Speed Class 3 (U3) standard Read up to 90MB/s; Write up to 80MB/s* Supports all equipment, smartphones & tablets with SD interface MLC Flash Chip technology improves storage performance & durability Supports 4K HD recording Shock & temperature-resistant FCC & CE safety certificates Limited Lifetime Warranty