Sony SONY SF-G Series SDXC Card 128GB Class10 UHS-II U3 V90 TOUGH, with a maximum read speed of 300MB/s and a maximum write speed of 299MB/s, SF-G128T A 128GB SD card that achieves high durability and high-speed transfer. Purchased at a major electronics retailer in Japan. It has been used very little, so the number of rewrites is likely quite low. Operation has been confirmed, and the card has been formatted. - Brand: SONY - Model Name: TOUGH SF-G128T - Capacity: 128GB - Maximum Transfer Speed: 300MB/s - Write Speed: 299MB/s - Speed Class: V90 - Standard: SDXC UHS-II Management Number 1