SanDisk Extreme PRO 512GB 200mb/s UHS-I SDXC Memory Card

Key Features.
Performance, reliability, and uncompromising image and 4K UHD video1 quality
Pro-level speed and memory to spare
Ready to shoot 4K UHD video1
Pro performance for uncompromising results
Great for shooting 4K UHD video1
Transfer speeds up to 200MB/s and read speeds up to 140MB/s