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Small black microSDXC card with red and grey label

SanDisk

SanDisk SDSQUA4-256G-GN6MN DJT 256GB microSDXC memory card

SKU CH-5MA8-07FDY

A 256GB microSDXC card with 120MB/s read and 104MB/s write speeds, rated UHS-I U1 Class 10 A1 for Android smartphones and tablets

  • Total capacity256 GB
  • Memory card formatMicroSD
  • Speed classUHS-I / U1 / Class 10 / A1
  • Max read speed120 MB/s
  • Write throughput104 MB per second
  • Product typeMicroSDXC
  • 256 GB capacity stores hours of Full HD video
  • 120 MB/s read speed loads apps and files quickly
  • A1 rating launches Android apps faster
  • UHS-I U1 Class 10 guarantees 10 MB/s minimum write
  • 104 MB/s write speed captures smooth 4K footage

256GB microSDXC for Android devices

The SanDisk Ultra microSDXC card provides 256GB of removable storage for Android smartphones and tablets. It uses the microSDXC form factor and carries UHS-I, U1, Class 10 and A1 ratings. The card is sold without an adapter.

UHS-I interface limits sequential throughput

The UHS-I bus caps maximum sequential read speed at 120MB/s and write speed at 104MB/s. Devices limited to the original microSD or microSDHC specifications will not recognise this 256GB card. Host hardware must support the microSDXC standard to access the full capacity.

256GB capacity suits Full HD recording

The 256GB capacity holds many hours of Full HD video and large photo libraries. Write performance meets the 10MB/s minimum of Class 10 and U1, so sustained Full HD capture is reliable. Workloads needing faster sustained writes or capacities beyond 512GB will exceed this card's limits.

How it compares

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

Price $48.99
Typical for this category: the median of 1,947 items is $46.99.
Total capacity 256 GB
Higher than about 80% of the 1,132 comparable items (median 64 GB).
Price per TB $191.37 per TB
Cheaper than about 83% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameSanDisk
Product lineUltra
Model nameSDSQUA4-256G-GN6MN
Part numberSDSQUA4-256G-GN6MN
Total capacity256 GB
Product typeMicroSDXC
Performance
Speed classUHS-I / U1 / Class 10 / A1
Max read speed120 MB/s
Write throughput104 MB per second
Storage
Memory card formatMicroSD

Questions about this item

Should I choose the 256GB Ultra microSDXC or a smaller 64GB card for my Android phone?

The 256GB card holds four times the footage of a 64GB model, letting you record many more hours of Full HD video before offloading.

What does the 120MB/s read speed mean when I am copying files to my laptop?

You can expect up to 120MB/s sequential reads when the host device supports UHS-I, so large video folders transfer in seconds rather than minutes.

Does the UHS-I U1 Class 10 rating guarantee 104MB/s writes in my camera?

U1 and Class 10 certify a minimum 10MB/s sustained write; the 104MB/s figure is the card's peak capability under ideal UHS-I conditions.

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