SanDisk Extreme PRO UHS-II SDXC UHS-II Class 10 U3, Up to 300MB/s Read Memory Card

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SanDisk Extreme PRO UHS-II SDXC Memory Card

Designed for Professionals

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Professionals DSLR cameras and high-resolution camcorders deserve the power, performance, capacity and reliability of SanDisk’s latest innovations. This way professional photographers and videographers trust SanDisk® memory cards.

Speeds of up to 300MB/s Read and 260MB/s Write

For maximum efficiency, the SanDisk Extreme PRO® SDHC™/SDXC™ UHS-II cards deliver extremely fast transfer speeds of up to 300MB/s* for post-production workflow. Write speeds of up to 260MB/s* handle rapid shots, sequential burst-mode, and RAW plus JPEG capture with ease.

Cinema-quality 4K Video Capture

With Video Speed Class 3 (U30) rating2, the SanDisk Extreme PRO® SDHC™/SDXC™ UHS-II cards let you capture uninterrupted cinema-quality 4K UHD and Full HD video.1 This makes it ideal for professional recording extreme sports and other fast activities without dropping frames.

Designed to Withstand Extreme Environments

SanDisk Extreme PRO® SDHC™/SDXC™ UHS-II cards are shockproof, temperature proof, waterproof and x-ray proof5, so you can enjoy your adventure without worrying about the durability of your memory card.

Sandisk Extreme Pro SD Card 64GB High Speed UHS-II

SanDisk UHS-II SDXC Specs

Card Type SDXC
Storage Capacity Up to 512GB
Bus Type UHS-II
Speed Class 10
UHS Speed Class U3
Speed (X-rating) 1733x
Bus Interface Speed UHS Class II
Data Transfer Read Speed 300 MB/s Maximum
Write Speed 260 MB/s Maximum
Write Speed 30 MB/s Minimum
Durability Shockproof, Temperature Extremes, Waterproof, X-Ray Proof
Operating Temperature -13 to 185°F/ -25 to 85°C
Storage Temperature -40 to 185°F/ -40 to 85°C
Built-in Write-Protect Switch Yes
Packaging Info
Package Weight 0.05 lb
Box Dimensions (LxWxH) 4.5 x 4.0 x 0.1″
All SanDisk products are constructed to the highest standards and rigorously tested, so you can be confident in the outstanding quality, performance and reliability of every SanDisk product.
* Up to 300 MB/s (2000X) read speed. Write speed up to 260 MB/s (1733X). Based on internal testing; performance will vary based on host device. Full performance requires UHS-II host.  1MB = 1,000,000 bytes. X=150 KB/s.
** 1 GB = 1,000,000,000 bytes. Actual user storage less.
1 Full HD video (1920×1080), 4K (4096×2160) and 3D video support may vary based upon host device, file attributes and other factors. See
2 UHS Speed Class 3 (U3) designates a performance option designed to support real-time video recording with UHS enabled host devices.  See for additional details.
3 Registration required; terms and conditions apply.
4 30 years warranty in Germany, Canada and regions not recognizing lifetime warranty. See
5 Card only. See product packaging and for additional information and limitations.
©2018 Western Digital Corporation. All rights reserved. SanDisk, SanDisk Extreme PRO and RescuePRO are registered trademarks or trademarks of Western Digital Corporation or its affiliates in the US and/or other countries. The SD, SDHC and SDXC marks and logos are trademarks of SD-3C, LLC. All other marks are the property of their respective owners.
Western Digital Technologies, Inc. is the seller of record and licensee in the Americas of SanDisk® products.