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SanDisk Extreme PRO 256 GB SDXC card with red and gold label

SanDisk

SanDisk Extreme PRO 256 GB SDXC 170/90 MB/s U3 V30

SKU CH-YATH-5GBX4

256 GB SDXC card rated U3 and V30 for 4K video, reaching 170 MB/s read and 90 MB/s write

  • TypeSecure Digital Extended Capacity (SDXC)
  • Up to 170 MB/s read speed for fast file transfers
  • Up to 90 MB/s write speed for quick photo capture
  • U3 and V30 ratings guarantee 30 MB/s minimum sustained write
  • 256 GB capacity stores thousands of high-resolution images

SanDisk Extreme PRO 256 GB SDXC Card

This SanDisk Extreme PRO SDXC card provides 256 GB of storage for cameras and devices that accept the SDXC format. It is built for photographers and videographers who need reliable capacity for high-resolution files. The UHS-I interface supports fast data transfer for typical creative workflows.

UHS-I U3 V30 Speed Rating

The card carries UHS Speed Class 3 and Video Speed Class 30 ratings, guaranteeing a minimum sustained write speed of 30 MB/s. Sequential read reaches 170 MB/s and write reaches 90 MB/s. Buyers who require faster sustained write speeds for higher-bitrate video formats should verify their device supports a higher speed class.

Highlights

  • Up to 170 MB/s read speed for fast file transfers
  • Up to 90 MB/s write speed for quick photo capture
  • U3 and V30 ratings guarantee 30 MB/s minimum sustained write
  • 256 GB capacity stores thousands of high-resolution images

Specifications

BrandSanDisk
TypeSecure Digital Extended Capacity (SDXC)

Questions about this item

What does the 170 MB/s read speed mean when I put this card in my camera?

The 170 MB/s read figure is the maximum sequential transfer rate the card can sustain under ideal conditions; real-world import speeds will depend on your card reader and host device capabilities.

The card is rated UHS-I U3 V30 — what write performance does that guarantee?

The U3 and V30 ratings both certify a minimum sustained write speed of 30 MB/s, so the card will maintain at least that rate during continuous 4K video recording.

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