256GB Sony SF-G Tough SD Card SDXC UHS-II Class 3 (U3), 300MB/s Read, 299MB/s Wr

Sony Tough SF-G SD Card 256GB SDXC UHS-II V90. Class 10 (SD Speed Class), Class 3 (UHS Speed Class), V90 (Video Speed Class). UHS (Ultra High Speed) Rated Yes. Size 256GB. Storage Capacity 256GB. World's fastest4 write speed at up to 299 MB/s 5 for burst and high-resolution imaging.

eBay