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Two red and grey microSDXC cards with a black SD adapter

SanDisk

SanDisk SDSQUAB-064G-GN6MT 128GB (64GB x 2) Ultra microSDXC memory card

SKU CH-GXF0-R8QAP MPN SDSQUAB-064G-GN6MT

Twin 64 GB microSDXC cards deliver 128 GB total capacity with 140 MB/s read speeds and A1-rated app performance

  • Total capacity128 GB (64 GB x 2)
  • Memory card formatMicroSD
  • Speed classUHS-I / U1 / Class 10 / A1
  • Max read speed140 MB/s
  • Product typeMicroSDXC

Capacity 128GB (64GB x 2)

Model 2-Pack

  • Fast app loading backed by A1-rated performance
  • Full HD video capture supported by Class 10 rating
  • High read speed up to 140MB/s for quick file transfers
  • Two 64GB cards provide 128GB total storage
  • Includes adapter for use with standard SD card slots

Twin-pack microSDXC for Android expansion

This bundle supplies two 64 GB microSDXC cards for a combined 128 GB of removable storage. Each card carries the SanDisk Ultra label and is rated A1 for faster app loading on Android phones and tablets. The UHS-I Class 10 rating guarantees sustained write performance for Full HD video capture. A standard SD adapter is included for use in larger slots.

UHS-I Class 10 with A1 app performance

The decisive specification is the UHS-I U1 Class 10 speed class paired with an A1 rating, which certifies minimum random read and write IOPS for application use. Maximum sequential read reaches 140 MB/s, enabling transfers of up to 1000 photos per minute. Cards without the A1 mark may not sustain the same app responsiveness.

Low heat and silent operation in daily use

Solid-state flash memory produces no audible noise and negligible heat during typical read or write workloads. Power draw is limited to the microSD bus supply, so battery impact on a smartphone or tablet is minimal. The cards operate reliably within the standard temperature range for consumer mobile devices.

How it compares

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

Price $16.99
Cheaper than about 84% of the 1,947 comparable items (median $46.99).
Total capacity 128 GB (64 GB x 2)
Higher than about 60% of the 1,132 comparable items (median 64 GB).
Price per TB $132.73 per TB
Cheaper than about 92% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameSanDisk
Product lineUltra
Model nameSDSQUAB-064G-GN6MT
Total capacity128 GB (64 GB x 2)
Product typeMicroSDXC
Performance
Speed classUHS-I / U1 / Class 10 / A1
Max read speed140 MB/s
Storage
Memory card formatMicroSD
Size & build
Shipping weight0.01 kg
Package size152 × 102 × 5 mm

Other versions of this model

5 more in the same range

Questions about this item

How many photos per minute can the 140 MB/s read speed actually move?

Up to 1000 photos per minute can be transferred at the rated 140 MB/s read speed.

What does the UHS-I U1 Class 10 A1 rating guarantee for minimum write performance?

The U1 and Class 10 ratings guarantee a minimum sustained write speed of 10 MB/s for Full HD video recording.

Will the included adapter let me use these microSDXC cards in a full-size SD slot?

Yes, the supplied adapter converts each microSDXC card to standard SD dimensions for use in full-size slots.

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