SANDISK SDSDXV5-128G-GNCIN SDXC Extreme CL10 V30 UHS-I/U3 150MBOverview The SanDisk Extreme SD UHS I memory card delivers performance that lets you take control of your creativity. With shot speeds of up to 60MB s* and UHS Speed Class 3 (u3)(2) recording, you're ready to capture stunning high resolution, stutter free 4K UHD video). and, it delivers up to 150MB s* transfer speeds so you can quickly move your photos where you want them. *up to 150 MB s read speed. Engineered with proprietary technology to reach