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Small black microSDXC card with red SanDisk Ultra label shown beside a thin black lanyard

SanDisk

SanDisk Ultra microSDXC 64GB 140MB/s UHS-I U1 A1 SDSQUAB-064G-GN6MN with OEM Lanyard

SKU CH-4NG9-HEPMV

Stores 64 GB of Full HD video on Android devices with up to 140 MB/s read speeds and A1 app performance

  • Card typeMicroSD
  • TypemicroSDXC
  • Capacity64GB
  • Speed Class RatingUHS-I, U1, A1, Class 10, Full HD
  • Read SpeedUp to 140MB/s
  • Write Speed10 MB/s
  • Up to 140MB/s read speed moves 1000 photos per minute
  • A1 rating delivers 1500 read IOPS for faster app loading
  • 64GB capacity stores hours of 1920x1080 Full HD video
  • UHS-I U1 Class 10 guarantees 10MB/s minimum write speed
  • Includes OEM lanyard for convenient carrying and storage

Capacity and card type

This SanDisk Ultra microSDXC card provides 64GB of storage in the microSD form factor. It is rated for UHS-I, U1, Class 10, and A1 performance. The maximum read speed reaches 140MB/s while the write speed is 10MB/s. The package includes an OEM lanyard.

Suitable devices and limitations

The card works with Android smartphones and tablets that accept microSDXC media. It supports Full HD video recording at 1920x1080 resolution. Devices limited to the microSDHC standard or those requiring sustained write speeds above 10MB/s will not be able to use this card fully.

Deciding specification

The A1 rating guarantees a minimum of 1500 read IOPS and 500 write IOPS for faster app loading. If your device needs higher random IOPS or a minimum write speed above 10MB/s, this card does not meet that requirement.

商品特色

  • Up to 140MB/s read speed moves 1000 photos per minute
  • A1 rating delivers 1500 read IOPS for faster app loading
  • 64GB capacity stores hours of 1920x1080 Full HD video
  • UHS-I U1 Class 10 guarantees 10MB/s minimum write speed
  • Includes OEM lanyard for convenient carrying and storage

商品規格

BrandSanDisk
Card typeMicroSD
SeriesUltra A1
ModelSDSQUAB-064G-GN6MN
Part NumberSDSQUAB-064G-GN6MN
TypemicroSDXC
Capacity64GB
Speed Class RatingUHS-I, U1, A1, Class 10, Full HD
Read SpeedUp to 140MB/s
Write Speed10 MB/s
OptionNo Adapter

商品問答

How do I install this microSDXC card in my Android phone, and what step do people often miss?

Insert the card into the phone's microSD slot with the gold contacts facing down until it clicks; the step many miss is formatting the card as portable or internal storage in Android settings before first use.

What maintenance or replacement will this 64GB U1 A1 card need over time?

Flash memory has a finite write cycle count; if you fill and rewrite the 64GB capacity heavily, the card will eventually wear out and require replacement — there is no user-serviceable maintenance.

What limit appears first when I copy large video files continuously at the 140MB/s read rating?

The write speed of 10MB/s becomes the bottleneck long before the 140MB/s read ceiling, so sustained large-file writes will run at roughly 10MB/s regardless of the read specification.

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