Not all devices support SDXC. Check with device manufacturer for more details.

(1) Speeds vary by capacity. [256GB]: Up to 180MB/s read speed. Engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Write speed up to 130MB/s. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes. [128GB]: Up to 180MB/s read speed. Engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Write speeds up to 90MB/s. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes. [64GB]: Up to 170MB/s read speed. Engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Write speeds up to 80MB/s. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes. [32GB]: Up to 100MB/s read speed. Write speed up to 60MB/s. Based on internal testing; performance may be lower depending upon host device. 1MB=1,000,000 bytes. (2) SanDisk QuickFlow Technology is only available for 64GB, 128GB, and 256GB capacities. Must use SanDisk Professional PRO-READER SD and microSD to achieve maximum transfer speeds (sold separately). (3) Full HD (1920×1080) and 4K UHD (3840 x 2160) video support may vary based upon host device, file attributes and other factors. See HD page on SanDisk site. (4) 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 the SD Association’s official website. (5) Card only. See product packaging or see proof page on SanDisk site. (6) Registration required; Terms and conditions apply. (7) 1GB=1,000,000,000 bytes. Actual user storage less.

Product specifications subject to change without notice. Pictures shown may vary from actual products. SanDisk, the SanDisk logo, SanDisk Professional, SanDisk Extreme, SanDisk QuickFlow and RescuePRO are registered marks or marks of Western Digital Corporation or its affiliates in the US and/or other countries. The microSD, SDHC, and SDXC marks and logos are marks of SD-3C, LLC. All other marks are the property of their respective owners.

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Western Digital Technologies, Inc. is the seller of record and licensee in the Americas of SanDisk products.