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Red microSDXC card with full-size SD adapter, SanDisk Ultra 128GB label visible

SanDisk

SanDisk Ultra microSDXC 128GB A1 UHS-I/U1 Class 10 (SDSQUAR-128G-GN6MA)

SKU CH-R1EA-E70FT MPN SDSQUAR-128G-GN6MA

A 128GB microSDXC card with UHS-I U1 Class 10 and A1 ratings for fast app loading and Full HD video capture, delivering read speeds up to 100MB/s

  • Total capacity128 GB
  • Speed classUHS-I / U1 / Class 10 / A1
  • Max read speedUp to 100 MB/s
  • Product typeMicroSDXC
  • Key featuresCompatible With Your Devices SanDisk cards are compatible wi

Capacity 128GB

  • Stores 128GB of photos, videos and apps
  • Reads up to 100MB/s for fast file transfers
  • A1 rating launches apps quicker on Android
  • Class 10 and U1 capture smooth Full HD video
  • Includes adapter for use in SD card slots

128 GB microSDXC for Android and Chromebook

The SanDisk Ultra microSDXC card delivers 128 GB of storage for Android smartphones, tablets and Chromebooks. Rated UHS-I, U1, Class 10 and A1, it meets the speed requirements for Full HD video recording and app loading. The bundled SD adapter lets you use the card in full-size slots when needed.

Thermals noise and power in normal use

As a solid-state memory card it has no moving parts, so it runs silently and generates negligible heat during typical file transfers or video capture. Power draw is limited to the host device’s card-reader supply, keeping battery impact minimal on phones and tablets.

Bundled adapter and Memory Zone app

The included microSD-to-SD adapter allows immediate use in laptops, cameras or card readers without a separate purchase. SanDisk’s Memory Zone app adds file management, automatic backup and storage overview tools that simplify moving content between the card and cloud services.

How it compares

Measured against everything we stock in SD & MicroSD Memory Cards, at today’s prices. Recalculated every night.

Price $18.99
Cheaper than about 80% of the 1,947 comparable items (median $46.99).
Total capacity 128 GB
Higher than about 60% of the 1,132 comparable items (median 64 GB).
Price per TB $148.36 per TB
Cheaper than about 91% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameSanDisk
Product lineUltra
Model nameSDSQUAR-128G-GN6MA
Total capacity128 GB
Product typeMicroSDXC
Performance
Speed classUHS-I / U1 / Class 10 / A1
Max read speedUp to 100 MB/s
Size & build
Shipping weight0.01 kg
Package size151 × 100 × 5 mm

Other versions of this model

4 more in the same range

Questions about this item

How do I insert the microSDXC card into the included adapter correctly?

Align the gold contacts on the microSD card with the adapter slot, then slide it in until it clicks; forcing it backwards bends the contacts.

Will the A1 rating degrade over time and require replacement?

The A1 rating reflects sustained random read and write performance for apps; it does not degrade under normal use, so the card does not need replacement for that reason.

At what point does the 100MB/s read speed limit appear during sustained transfers?

The 100MB/s figure is the maximum sequential read speed; sustained throughput will hit this ceiling first during large file reads.

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