SanDisk 128GB Extreme PRO SDXC UHS-I Card Our most powerful SD UHS-I memory card yet delivers performance that elevates your creativity. With shot speeds of up to 90MB/s* and UHS Speed Class 3 (U3)(2) recording, you’re ready to capture stunning high-resolution, stutter-free 4K UHD video(1). And, because your pace doesn’t let up after the shots are in, it delivers up to 170MB/s* transfer speeds for a faster postproduction workflow.
