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Red microSDXC card with black adapter

SanDisk

SanDisk Extreme Pro 256GB microSDXC memory card with adapter

SKU CH-YY56-237YR

High-capacity microSDXC card delivers up to 170MB/s read and 90MB/s write speeds with included adapter

  • Total capacity256 GB
  • Memory card formatMicroSD
  • Speed classUHS Speed Class 3
  • Max read speedUp to 170 MB/s read speed
  • Write throughputup to 90 MB/s write speed
  • VariantWith Adapter

Capacity 256GB

  • Fast app loading with A2 performance rating
  • Smooth 4K video capture at V30 sustained write speed
  • Quick file transfers up to 170MB/s read speed
  • Includes SD adapter for use in cameras and readers
  • Built for extreme temperatures from -25°C to 85°C

256GB microSDXC card for action cameras and drones

This SanDisk Extreme Pro microSDXC card provides 256GB of storage for high-resolution photos and 4K video. It is built for action cameras, interchangeable-lens cameras, drones, smartphones and tablets that support the microSDXC format. The bundled SD adapter allows use in full-size SD slots.

Check your device supports microSDXC UHS-I and V30

Before ordering, verify that your host device accepts microSDXC cards and can utilise UHS-I speeds with a V30 video speed class rating. The card is also compatible with microSDHC, microSDXC UHS-II and microSDHC UHS-II slots, but will operate at the host's maximum supported speed. Ensure your device firmware is current for full capacity recognition.

Rated for extreme temperatures with no moving parts

The card operates from -25°C to 85°C and survives storage from -40°C to 85°C. With no moving parts it runs silently and draws minimal power during read and write cycles. Read speeds reach 170MB/s and write speeds reach 90MB/s, sustaining performance across the temperature range.

How it compares

Measured against everything we stock in SD & MicroSD Memory Cards, at today’s prices. Recalculated every night.

Price $70.99
Pricier than about 62% of the 1,947 comparable items (median $46.99).
Total capacity 256 GB
Higher than about 80% of the 1,132 comparable items (median 64 GB).
Price per TB $277.30 per TB
Cheaper than about 64% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameSanDisk
Product lineExtreme Pro
Model nameExtreme Pro
Total capacity256 GB
Product typeMicroSDXC
Performance
Speed classUHS Speed Class 3
Max read speedUp to 170 MB/s read speed
Write throughputup to 90 MB/s write speed
Storage
Memory card formatMicroSD
More details
VariantWith Adapter

Other versions of this model

5 more in the same range

Questions about this item

Does the package include a full-size SD adapter or must one be purchased separately?

The card ships with a full-size SD adapter included in the box.

Which speed class rating should I pick for 4K video recording?

The card carries UHS Speed Class 3 and V30 ratings, meeting the sustained write requirement for 4K capture.

What sustained write speed can I expect when the card is inside a camera?

The card is rated for up to 90MB/s write speed, and the V30 marking guarantees at least 30MB/s sustained.

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