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A small black microSDXC card with SanDisk Ultra branding and capacity label

SanDisk

SanDisk Ultra A1 microSDXC UHS-I Class 10 128GB memory card

SKU CH-TB2D-93A92

A 128GB microSDXC card with Class 10 and A1 ratings, delivering read speeds up to 100MB/s for Full HD video and faster app loading

  • Card typeMicroSD
  • TypemicroSDXC
  • Capacity128GB
  • Speed Class RatingClass 10
  • Read Speedup to 100 MB/s
  • OptionN/A

Card type MicroSD

Capacity 128GB

Series Ultra (98MB/s +)

  • Load apps faster with A1-rated performance
  • Capture Full HD video with Class 10 speed rating
  • Transfer files quickly with up to 100 MB/s read speed
  • Store hours of footage with 128 GB capacity
  • Move up to 1200 photos per minute for efficient workflow

SanDisk Ultra A1 128 GB microSDXC

This SanDisk Ultra A1 microSDXC UHS-I card provides 128 GB of storage for Android smartphones and tablets. It carries a Class 10 speed rating and an A1 application performance rating for faster app loading. Read speeds reach up to 100 MB/s for quick file transfers. The card is designed for capturing Full HD video and high-quality photos.

Ideal for Android users expanding phone storage

The card suits anyone who wants more space for apps, photos and Full HD video on a compatible Android device. The A1 rating helps apps launch faster on supported handsets. Buyers who need sustained write speeds for professional 4K video recording should look at a different card. Devices that only support the older microSDHC standard cannot use this microSDXC card.

Class 10 and A1 ratings define the use case

Class 10 guarantees a minimum sequential write speed of 10 MB/s for Full HD video recording. The A1 rating certifies random read and write performance for running applications directly from the card. These two specifications together determine whether the card matches your workload.

商品特色

  • Load apps faster with A1-rated performance
  • Capture Full HD video with Class 10 speed rating
  • Transfer files quickly with up to 100 MB/s read speed
  • Store hours of footage with 128 GB capacity
  • Move up to 1200 photos per minute for efficient workflow

商品規格

BrandSanDisk
Card typeMicroSD
SeriesUltra
ModelSDSQUAR-128G
TypemicroSDXC
Capacity128GB
Speed Class RatingClass 10
Read Speedup to 100 MB/s
OptionN/A

其他版本

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同系列產品，記憶體、散熱器或時脈不同 — 下單前請先比較。

商品問答

Does the SanDisk Ultra 128 GB microSDXC card generate noticeable heat or draw extra power when recording Full HD video all day?

Memory cards have no moving parts and draw very little power, so heat and battery impact are negligible during continuous Full HD recording.

What device slot or adapter do I need to use this 128 GB microSDXC card?

You need a microSDXC-compatible slot — most Android phones, tablets, action cameras and drones accept it directly, otherwise a microSD-to-SD adapter fits standard SD readers.

Will this Class 10, A1-rated card work reliably in an older camera that only supports microSDHC?

No — microSDXC cards require an SDXC-capable host; an older microSDHC-only device will not recognise the 128 GB capacity.

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