Sandisk Extreme 128GB 170 MB/s microSD Memory Card

Model Number: SDSQXBZ-128G-CN6MA
Web Code: 12927936


Enjoy enhanced app performance, incredibly-realistic 4K UHD video, and lightning-quick data transfer with the SanDisk Extreme 128GB microSD card. Boasting a maximum read speed of 170MB/s, 4K UHD and Full HD video, and a whopping 128GB of storage space, this memory card is the key to unlocking greater performance for your electronic devices.
Sold and shipped by Best Buy
Available online
Reserve & Pick Up

This product is currently unavailable for Reserve & Pick Up at nearby stores.

  • 128GB storage capacity provides tons of space for music, movies, photos, apps, games, and more
  • Up to 170MB/s read and 90MB/s write speeds (64GB-400GB)
  • Up to 100MB/s read and 90MB/s write speeds (32GB)
  • Ideal for Android smartphones and tablets, action cameras, and drones
  • Includes Rescue Pro Deluxe Two-Year media recovery software and SD adapter
Memory Card Format
Storage Type
microSD, microSDHC & microSDXC Memory
128 GB
Number of Cards Included
Max. Read Speed
170 MB/s
Max. Write Speed
90 MB/s
Max. Read X-Speed Rating
Max. Write X-Speed Rating
SD Speed Class
Write-protect Switch
Wi-Fi Capability
Red; Gold
Other Features
Rescue Pro Deluxe Two-Year Media Recovery Software Included
  • SD Adapter

  • How come all the other Extreme gold cards are 160 speed, and yours is 170? Fake!

    from Ontario on October 18, 2019

    How come all the other Extreme gold cards are 160 /90, and yours is 170/90? Fake?

  • Perfect

    from Richmond, BC on August 12, 2019

    On the package says 170 MB/s; it's not BestBuy fault! Other than that, this card is GREAT

  • Definetlly not a 170 speed. False Advertising!

    from PEI on August 4, 2019

    Definetlly not a 170 speed. False Advertising!

Check our return policy and you'll find specific return information for your product and steps on how to return in-store or by mail.