SanDisk Extreme 64GB microSD Card

Full HD (1920×1080) and 4K UHD (3840 x 2160) video support may vary based upon host device, file attributes, and other factors. See: www.sandisk.com/HD UHS Speed Class 3 designates a performance option designed to support 4K UHD video recording with enabled UHS host devices. UHS Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS enabled host devices. See www.sdcard.org/consumers/speed. Card only. See product packaging or www.sandisk.com/proof for additional information and limitations. Registration required; Terms and conditions apply. For SDXC marketing collateral, please include the following disclosure: Not all devices support SDXC™. Check with device manufacturer for more details. [64GB-512GB] Up to 170MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Write speed up to 90 MB/s. Based on internal testing; performance may be lower depending upon host device, interface, usage conditions, and other factors. 1MB=1, 000, 000 bytes. X = 150KB/sec.[32GB] Up to 95 MB/s read speed. Write speed up to 90 MB/s. Based on internal testing; performance may be lower depending upon host device. 1MB=1, 000, 000 bytes. X = 150KB/sec.