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Small black microSD card with adapter shown beside it

Ackmioxy

Ackmioxy 256GB Extreme microSDHC UHS-I Memory Card

SKU CH-VWCZ-TWKVV

256 GB microSD card rated U3, V30 and A2 for 4K video and fast app performance, includes SD adapter

  • Card typeMicroSD
  • Capacity256GB
  • Speed Class RatingUHS-I
  • Sports LeagueUFC / MMA

Capacity 256G

  • 256GB capacity stores extensive 4K footage and high-resolution photos
  • Up to 100MB/s read speed enables rapid file transfers and smooth playback
  • U3, V30, A2 ratings guarantee sustained performance for 4K video recording
  • Includes adapter for broad compatibility with cameras, drones, and action cams
  • Engineered for durability in demanding environments and intensive workloads

High-capacity microSD for action cameras

The Ackmioxy 256GB Extreme microSDHC UHS-I card provides expansive storage for high-resolution photos and 4K video. It is built for professionals and enthusiasts using DJI drones, Osmo series, Insta360, GoPro, and mirrorless cameras from Canon, Nikon, and Sony. The A2 rating supports rapid app loading on compatible devices.

Simple installation with included adapter

Insert the microSD card directly into your device slot or use the supplied full-size SD adapter for readers and cameras that require it. The card is pre-formatted and ready to use. The most common issue is accidentally engaging the adapter's write-protect switch, which prevents recording until slid back.

Verify device capacity and speed requirements

Confirm your camera or drone accepts microSDXC cards up to 256GB and supports UHS-I speeds with U3 and V30 ratings for 4K capture. Check that the host device can leverage the A2 application performance class if you plan to run apps from the card. Older hardware limited to 32GB or lower speed classes will not work correctly.

商品特色

  • 256GB capacity stores extensive 4K footage and high-resolution photos
  • Up to 100MB/s read speed enables rapid file transfers and smooth playback
  • U3, V30, A2 ratings guarantee sustained performance for 4K video recording
  • Includes adapter for broad compatibility with cameras, drones, and action cams
  • Engineered for durability in demanding environments and intensive workloads

商品規格

BrandByteuni
Card typeMicroSD
SeriesExtreme
Capacity256GB
Speed Class RatingUHS-I
Sports LeagueUFC / MMA

其他版本

同系列還有 5 款

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

How do I verify the card is performing at its rated U3 and V30 speeds after setup?

Run a benchmark tool such as CrystalDiskMark or Blackmagic Disk Speed Test; sustained write results should meet or exceed 30 MB/s to confirm U3 and V30 operation.

What is included in the package and what must be purchased separately?

The pack contains one 256 GB microSD card and a full-size SD adapter; no card reader or other accessories are supplied.

Which capacity from the lineup should I choose for 4K video on my action camera?

Available capacities are 32 GB, 64 GB, 128 GB, 256 GB, 512 GB, 1 TB and 2 TB; 256 GB holds roughly 360 minutes of 4K footage, while 512 GB doubles that runtime.

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