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Small black microSDXC card with gold contacts and full-size SD adapter

ADATA

ADATA AUSDX64GUICL10A1-RA1 64GB microSDXC memory card

SKU CH-X852-98JM8 MPN AUSDX64GUICL10A1-RA1

64 GB microSDXC card with UHS-I Class 10, V10 and A1 ratings, up to 100 MB/s read speed and SD adapter included

  • TypemicroSDXC
  • Capacity64GB
  • Speed Class RatingUHS-I / U1 / Class 10 / A1 / V10
  • Read SpeedUp to 100MB/s
  • Write SpeedUp to 25MB/s
  • FeaturesUHS-I Class 10 data speed - supports Full HD 1080P video rec

Capacity 64GB

Struck-through versions exist but are not stocked here.

  • 64GB capacity stores thousands of photos and videos
  • UHS-I Class 10 delivers up to 100MB/s read speed for fast transfers
  • A1 App Performance Class launches apps directly from the card
  • V10 rating sustains 10MB/s minimum write for smooth Full HD 1080 recording
  • Includes SD adapter for use in cameras, drones and card readers

What the card is and who it suits

This ADATA Premier microSDXC card provides 64GB of storage for phones, tablets, drones and action cameras. It carries UHS-I U1, Class 10, V10 and A1 ratings so it handles Full HD 1080 video and app launches without stutter. An SD adapter is included for use in larger slots. The card is new and ready for everyday capture tasks.

Practical limits of the UHS-I interface

The UHS-I bus caps sequential reads at 100MB/s and writes at 25MB/s, so sustained 4K or high-bitrate workflows will hit a ceiling. V10 guarantees only 10MB/s minimum video write speed, which matches 1080p but not higher resolutions. A1 helps random IO for apps yet does not change the sequential ceiling. Buyers needing faster sustained throughput should note this bottleneck.

What this replaces and when to step up

The card replaces older Class 4 or Class 6 microSD cards that struggle with 1080p recording and slow file copies. Moving up from 16GB or 32GB versions adds space for longer shoots without changing workflow. If your device supports UHS-II or you record 4K, this UHS-I card will not fully exploit the hardware.

Highlights

  • 64GB capacity stores thousands of photos and videos
  • UHS-I Class 10 delivers up to 100MB/s read speed for fast transfers
  • A1 App Performance Class launches apps directly from the card
  • V10 rating sustains 10MB/s minimum write for smooth Full HD 1080 recording
  • Includes SD adapter for use in cameras, drones and card readers

Specifications

BrandADATA
SeriesPremier
ModelAUSDX64GUICL10A1-RA1
TypemicroSDXC
Capacity64GB
Speed Class RatingUHS-I / U1 / Class 10 / A1 / V10
Read SpeedUp to 100MB/s
Write SpeedUp to 25MB/s
FeaturesUHS-I Class 10 data speed - supports Full HD 1080P video recording
Wide capacity range: 16GB to 256GB
A1 qualified - help to install and run APPs faster
V10 video speed class: can record a minimum 10MB of video per second
High compatibility across multiple devices: smartphones, tablets, digital cameras, and video recorders
Write-in protection & ECC (Error Correcting Code)
Rugged durability: waterproof, shockproof, anti-static, X-ray proof, and wide temperature tolerance (-25 to 85 celsius degree)
Shipping weight0.02 kg
Package size127 × 83 × 6 mm

Other versions of this model

3 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Which capacity from the 16GB to 256GB range should I pick?

Choose the 64GB model if you need space for apps and Full HD video without paying for larger 128GB or 256GB cards.

What does the 100MB/s read speed mean when I copy files to my PC?

You can transfer photos and videos from the card to a computer at up to 100MB/s, cutting wait time compared with slower cards.

What does UHS-I Class 10 V10 A1 actually limit in daily use?

UHS-I Class 10 guarantees minimum 10MB/s write for Full HD 1080 recording, V10 ensures sustained 10MB/s video capture, and A1 speeds up app loading on phones.

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