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A small black rectangular microSD card with gold contacts and red label text

SanDisk

SanDisk Extreme Pro 256GB microSDXC A2 U3 V30 UHS-I 200MB/s memory card

SKU CH-1AQ9-9J4M0

A 256 GB microSDXC card rated A2, U3 and V30 with read speeds up to 200 MB/s and write speeds up to 90 MB/s for 4K UHD capture

  • Card typeMicroSD
  • TypemicroSDXC
  • Capacity256GB
  • Speed Class RatingClass 10
  • Read SpeedUp to 200 MB/S
  • Write SpeedUp to 90 MB/S

Capacity 256GB

  • Fast app launches with A2 rating
  • 4K UHD capture at up to 90MB/s write
  • Quick offloads with 200MB/s read speed
  • Withstands drops, water, heat and X-rays
  • 256GB capacity for extensive media storage

Ready for 4K UHD capture

This 256GB microSDXC card carries U3, V30 and A2 ratings, delivering read speeds up to 200MB/s and write speeds up to 90MB/s. It is built for action cameras, drones and Android smartphones that need sustained 4K UHD video recording and fast app loading.

Check host device compatibility

Verify that your device supports the microSDXC standard and can make use of UHS-I speeds; older hosts limited to microSDHC will not recognise the full 256GB capacity. Confirm the slot accepts U3 or V30 speed classes so the card can sustain the advertised write performance for 4K UHD footage.

Durable in extreme conditions

The card is rated temperature proof, water proof, drop proof and X-ray proof, so it withstands harsh environments without active cooling or power concerns. Solid-state operation means silent performance and negligible power draw during normal read and write workloads.

商品特色

  • Fast app launches with A2 rating
  • 4K UHD capture at up to 90MB/s write
  • Quick offloads with 200MB/s read speed
  • Withstands drops, water, heat and X-rays
  • 256GB capacity for extensive media storage

商品規格

BrandSanDisk
Card typeMicroSD
SeriesExtreme Pro
ModelSDSQXCD-256G-GN6MA
Part NumberSDSQXCD-128G-GN6MA
TypemicroSDXC
Capacity256GB
Speed Class RatingClass 10
Read SpeedUp to 200 MB/S
Write SpeedUp to 90 MB/S
FeaturesDrop Proof, Temperature Proof, Water Proof, X Ray Proof

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

What comes in the box with the SanDisk Extreme Pro 256GB microSDXC card and do I need to buy an adapter separately?

The card is supplied as a single microSDXC unit; a full-size SD adapter is not included and must be purchased separately if your device requires one.

Which capacity should I choose between the 64GB, 128GB and 256GB versions of this Extreme Pro line?

The 256GB model gives you the same 200MB/s read and 90MB/s write speeds as the smaller cards but four times the space of the 64GB version for extended 4K UHD recording.

What does the 200MB/s read speed mean when I put this card in my drone or action camera?

It lets you offload 4K UHD footage to a computer at up to 200MB/s when paired with a compatible UHS-I reader, cutting transfer time for large 256GB projects.

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