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Small red microSDXC card with SanDisk Ultra Go branding

SanDisk

SanDisk Ultra Go microSDXC 256GB UHS-I A1 C10 V10 memory card

SKU CH-R59R-ND5G6

Adds 256 GB of storage for Android devices and cameras with up to 190 MB/s read speed and A1 app performance

  • Total capacity256 GB
  • Memory card formatMicroSD
  • Speed classUHS-I A1 C10 V10
  • Max read speedUp to 190 MB/s
  • Product typeMicroSDXC
  • Key featuresDesigned to add more storage on Android™ smartphones, tablet

Capacity 256GB

  • Up to 190MB/s read speed moves large files quickly
  • A1 rating loads apps faster on Android devices
  • 256GB capacity stores hours of Full HD video
  • microSDXC format fits smartphones, tablets and cameras
  • UHS-I C10 V10 classes guarantee sustained write performance

256 GB microSDXC card for Android devices

The SanDisk Ultra Go microSDXC 256GB card adds storage to Android smartphones, tablets and digital cameras. It uses UHS-I interface with A1, C10 and V10 ratings for app loading and Full HD video capture. Read speeds reach up to 190MB/s for quick file transfers. The card is new and built with NAND flash for durability.

Suits phones and cameras needing expandable space

This card fits users who want more room for photos, videos, games and apps on compatible Android devices. It is not for hardware that requires UHS-II or higher speed classes. It is not for buyers who need capacities beyond 256 GB on a single card. It is not for devices limited to microSDHC maximums.

UHS-I A1 C10 V10 speed class rating

The UHS-I A1 C10 V10 rating determines whether the card meets a device's minimum write-speed requirement for apps and Full HD recording. Check the host specification for this exact class before purchase. The 190 MB/s read figure applies to 128 GB to 1.5 TB models including this 256 GB version.

How it compares

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

Price $54.99
Pricier than about 54% of the 1,947 comparable items (median $46.99).
Total capacity 256 GB
Higher than about 80% of the 1,132 comparable items (median 64 GB).
Price per TB $214.80 per TB
Cheaper than about 77% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameSanDisk
Product lineUltra Go
Model nameSDSQUGN-256G-GN6MN
Part numberSDSQUGN-256G-GN6MN
Total capacity256 GB
Product typeMicroSDXC
Performance
Speed classUHS-I A1 C10 V10
Max read speedUp to 190 MB/s
Storage
Memory card formatMicroSD

Other versions of this model

5 more in the same range

Questions about this item

How do I install the SanDisk Ultra Go microSDXC 256GB card in my Android phone and what step do people often miss?

Power off the phone, open the SIM tray or dedicated slot, insert the card with the gold contacts facing down until it clicks, then power on and format it as internal or portable storage in Settings — skipping the format step leaves the card unreadable.

What maintenance or replacement will this 256GB microSDXC card need over time?

No scheduled maintenance is required; the NAND flash is built for long-term durability, but if write cycles eventually exceed the cell endurance the card must be replaced — there are no user-serviceable parts.

What limit appears first when I keep writing large files to this 190MB/s UHS-I card?

Sustained write speed is capped by the UHS-I bus and V10 rating, so after the SLC cache fills the card drops to a minimum of 10 MB/s sequential write.

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