From Amazon
Transcend 512GB SDXC 300S Memory Card UHS- I, C10, U3, V30, 4K, Full HD, Up to 95/40 MB/s (Ideal for Digital Cameras) with Frustration Free Packaging TS512GSDC300S-E
Memory C
512GB Transcend 300S SDXC UHS-I U3 V30 SD Memory Card CL10 95MB/sec
Conrad Electronic
Transcend Premium 300S SDXC card 512 GB Class 10, UHS-I, UHS-Class 3, v30 Video Speed Class