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Small rectangular microSD card with a full-size SD adapter, both in red and black finish

SanDisk

SanDisk Ultra 256GB microSDXC 120MB/s UHS-I A1 card + adapter

SKU CH-A5YX-GHC6H

A 256 GB microSDXC card rated UHS-I, Class 10 and A1 for up to 120 MB/s transfer speeds and faster app loading, bundled with an SD adapter

  • TypemicroSDXC
  • 256 GB stores hours of Full HD video
  • 120 MB/s transfer moves 1000 photos per minute
  • A1 rating launches Android apps faster
  • UHS-I Class 10 supports smooth video recording
  • Includes SD adapter for wide device compatibility

256 GB microSDXC UHS-I A1 card

The SanDisk Ultra microSDXC card delivers 256 GB of storage with UHS-I Class 10 performance. It reaches sequential read speeds up to 120 MB/s and carries an A1 rating for faster app loading on Android smartphones and tablets. A standard SD adapter is included for use in larger card slots.

Ideal for phone storage expansion.

Android users who need more space for photos, Full HD video and apps will benefit from the A1 random-read optimisation. The card is not suited for tasks that demand continuous high write throughput such as 4K video recording or professional camera bursts.

120 MB/s read speed with UHS-I Class 10

The headline specification is the 120 MB/s maximum transfer rate backed by UHS-I Class 10 and A1 ratings. This determines whether the card can keep up with your device's read-heavy workloads and app performance requirements.

Highlights

  • 256 GB stores hours of Full HD video
  • 120 MB/s transfer moves 1000 photos per minute
  • A1 rating launches Android apps faster
  • UHS-I Class 10 supports smooth video recording
  • Includes SD adapter for wide device compatibility

Specifications

TypemicroSDXC

Questions about this item

What does the UHS-I interface on this SanDisk Ultra microSDXC card cap the maximum read speed at?

The UHS-I interface supports transfer speeds up to 120MB/s for moving large files quickly.

What physical adapter is included so this microSDXC card fits standard SD card slots?

A full-size SD adapter is included so the microSDXC card can be used in devices with standard SD card slots.

How do you install the card in an Android smartphone and what step is often missed?

Insert the microSDXC card into the phone's card tray, then format it as portable storage in settings to enable A1 app performance.

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