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Small red and grey microSDXC card with SanDisk Ultra branding

SanDisk

SanDisk Ultra microSDXC 64 GB 100 MB/s Class 10 SDSQUNR-064G-GN3MN

SKU CH-VVTF-J4FQN

A 64 GB microSDXC card with Class 10 speed and up to 100 MB/s read performance

  • 64 GB capacity stores thousands of photos and videos
  • Class 10 rating guarantees minimum 10 MB/s write speed for Full HD recording
  • 100 MB/s read speed transfers large files quickly
  • microSDXC format fits smartphones, tablets, action cameras and drones
  • Universal compatibility works with Samsung, Google, LG, Sony and other devices

What this microSDXC card does

This SanDisk Ultra microSDXC card provides 64 GB of storage for phones, tablets and action cameras. It carries a Class 10 speed rating and a quoted read rate of 100 MB/s. The card is new and intended for everyday capture of photos and Full HD video.

Practical limits of the UHS-I interface

The card uses the UHS-I bus, so sustained write speeds will fall below the 100 MB/s read figure. Class 10 guarantees a minimum of 10 MB/s sequential write, which is sufficient for Full HD but not for high-bitrate 4K recording. Devices limited to standard SD speeds will run slower still.

Installing and common issues

Insert the card into the device slot until it clicks; no driver installation is required on modern Android, Windows or macOS systems. Format the card in the host device before first use to avoid file-system mismatches. Counterfeit cards are common, so verify capacity with a trusted tool after purchase.

How it compares

Measured against everything we stock in USB Thumb Drives, at today’s prices. Recalculated every night.

Price $17.99
Cheaper than about 76% of the 1,099 comparable items (median $31.99).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

No published specifications for this item yet.

Questions about this item

Should I pick the 64 GB Ultra or a larger capacity?

The 64 GB card suits phones, tablets and cameras that need moderate space for apps, photos and Full HD video; choose a higher capacity only if you regularly fill 64 GB.

What does the 100 MB/s read speed deliver in daily use?

It lets you offload large photo bursts or Full HD clips to a computer quickly and keeps app launches smooth on supported devices.

How does the Class 10 rating limit real-world write performance?

Class 10 guarantees a minimum 10 MB/s sequential write, so sustained recording at higher bit-rates may drop frames.

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