From the manufacturer

1. 

   Ideal for Android Smartphones and Tablets

   SanDisk Ultra microSDHC and microSDXC UHS-I card cards are compatible with Android smartphones and tablets.

2. 

   Capture and Store More Hours of Full HD Video(4)

   With available capacities of up to 1TB(1), you can store more hours of Full HD video(4) and still have room for the videos, photos, music, movies, and other files you want to shoot, save, and share.

3. 

   Transfer Speeds of up to 150MB/s(2) [256GB-1TB]

   Blazing transfer speeds mean that your content moves fast, letting you transfer up to 1000 photos in a minute.(6) [32GB-1TB]

1. 

   Load Apps Faster with A1-rated Performance(3)

   Rated A1, the SanDisk Ultra microSD card is optimized for apps, delivering faster app launch and performance that provides a better smartphone experience.

2. 

   SanDisk Memory Zone App – Easy File Management(5)

   Available from the Google Play store, the app lets you view, access, and back up your phone's files, and automatically move files from your device to your memory card.

3. 

   Compatible with MobileMate USB 3.0 Reader(7)

   Use with the MobileMate USB 3.0 microSD card reader so you can move big files fast, move a lot of files fast, or just make frequent file transfers that much quicker (sold separately).

.

High Endurance microSD Card
Transfer Speeds Up to 150MB/s(2)[256GB-1TB]	Transfer Speeds Up to 190MB/s(8)[128GB-1TB]	Transfer Speeds Up to 100MB/s(8)
– –	Write Speeds Up to 130MB/s(8)[256GB-1TB]	Write Speeds Up to 40MB/s(8)
Video Quality Full HD (4)	Video Quality Full HD, 4K UHD(4)	Video Quality Full HD, 4K UHD(4)
Speed Class C10, U1	Speed Class C10, V30, and U3	Speed Class C10, U3, V30
App Performance A1 Specification(3)	App Performance A2 Specification(3)[64GB-1TB]	Continuous Recording Record for up to 20,000 hours [256GB]

Legal Disclaimers

(1) 1GB=1,000,000,000 bytes. 1TB=1,000,000,000,000 bytes. Actual user storage less (2) Speeds vary by capacity. [256GB-512GB; 1TB]: Up to 150MB/s read speed, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speed. Write speeds lower. Based on internal testing; performance may be lower depending on host device, interface, usage conditions, and other factors. 1MB=1,000,000 bytes. [64GB-128GB]:Up to 140MB/s read speed, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speed. Write speeds lower. 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 120MB/s read speed, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speed. Write speeds lower. Based on internal testing; performance may be lower depending on host device, interface, usage conditions, and other factors. 1MB=1,000,000 bytes. [16GB]: Up to 98MB/s read speed; write speed lower. Based on internal testing; performance may be lower depending on host device, interface, usage conditions, and other factors. 1MB=1,000,000 bytes.(3) A1 performance is 1500 read IOPS, 500 write IOPS. A2 performance is 4000 read IOPS, 2000 write IOPS. Based on internal testing. Results may vary based on host device, app type, and other factors.(4) 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. (5)Download and installation required; see Memory Zone page on SanDisk site. (6) Based on internal testing on images with an average file size of 3.55MB (up to 3.7GB total) with USB 3.0 reader. Your results will vary based on host device, file attributes, and other factors.(7) Reader sold separately. (8) For SanDisk Extreme microSD UHS-I card [256GB-1TB]: Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 130MB/s write speeds. For SanDisk Extreme microSD UHS-I card [128GB]: Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 90MB/s write speeds. For SanDisk High Endurance microSD UHS-I Card: Up to 100MB/s read speed, up to 40MB/s write speed. Based on internal testing; performance may be lower depending upon host device interface, usage conditions, and other factors. 1MB=1,000,000 bytes. (9) For SanDisk High Endurance microSD card: Up to 20,000 hours for 256GB; 10,000 hours for 128GB; 5,000 hours for 64GB; and 2,500 hours for 32GB. Fill HD video only; total hours less for 4K UHD videos.

SanDisk, the SanDisk logo, Memory Zone, MobileMate, and SanDisk Ultra are registered marks or marks of Western Digital Corporation or its affiliates in the US and/or other countries. The microSD, microSDHC, and microSDXC marks and logos are trademarks of SD-3C, LLC. Android and Google Play are marks of Google LLC. The Android robot is reproduced or modified from work created and shared by Google and used according to terms described in the Creative Commons 3.0 Attribution License. All other marks are the property of their respective owners. Product specifications subject to change without notice. Pictures shown may vary from actual products.

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