SanDisk 256GB Extreme UHS-I U3 SDXC Memory Card (Class 10) has been discontinued, here are some related products you might like:

256GB Storage Capacity, Class 10 / UHS-I / U3, SDXC Form Factor

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The 256GB Extreme UHS-I Speed Class 3 SDXC Memory Card from SanDisk features UHS Speed Class 3 compatibility to allow for both Full HD (1080p) and 4K (3840 x 2160p) video recording. With data read speeds of up to 90 MB/s and write speeds of up to 60 MB/s you can also save and transfer other files such as photos, music, and more quickly and efficiently.

Along with U3 compatibility, this card also features Class 10 and UHS-I standards compatibility and is water, temperature, X-ray, and shock proof allowing you to record virtually anywhere. The writable label and included jewel case make for easy storage and organisation, while the downloadable RescuePRO Deluxe data recovery software allows you to recover accidentally deleted images.

Key Features

  • Extreme continuous shot-to-shot performance with a data write speed of up to 60 MB/s
  • Fast file transfers with maximum data read speed of up to 90 MB/s
  • SDXC form factor
  • Class 10, UHS Speed Class 3 to easily record Full HD (1080p) and 4K Ultra HD (3840 x 2160p) video
  • This Extreme SD memory card is waterproof, temperature proof, X-ray proof, and shock proof
  • Engineered with Ultra High Speed (UHS-I) bus architecture
  • Writable label for easy identification and organisation
  • Jewel Case to protect your card for storing and archiving
  • RescuePRO Deluxe data recovery software downloadable offer, to recover accidentally deleted images


Card Type
Storage Capacity
256 GB
Speed Class
UHS Speed Class
Bus Interface Speed
UHS Class I
Data Transfer
Read Speed 90 MB/s Maximum
Write Speed 40 MB/s Maximum
Shockproof, Temperature Extremes, Waterproof, X-Ray Proof
Insertion/Removal Cycles
Not Specified By Manufacturer
Operating Temperature
-13 to 185°F/ -25 to 85°C
Storage Temperature
-40 to 185°F/ -40 to 85°C
Error Correction
Not Specified By Manufacturer
Built-in Write-Protect Switch
File System
Not Specified By Manufacturer
RoHS Compliant
Not Specified By Manufacturer
SanDisk 256GB Extreme UHS-I U3 SDXC Memory Card (Class 10)
RM Product #:
256 GB
Write Speed:
40 MB/s
Read Speed:
60 MB/s
Card Format:
Card Type: