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SanDisk Extreme PRO 256GB SDXC card black rectangular form factor

SanDisk

SanDisk Extreme PRO UHS-II V90 256GB SDXC memory card

SKU CH-RV7W-WY433

High-speed SDXC card for 8K video and burst photography with 256 GB capacity, 310 MB/s read and 304 MB/s write speeds, plus IP68 water and dust resistance

  • Sequential read up to 310MB/s accelerates file offload
  • Sequential write up to 304MB/s sustains 8K capture
  • V90 rating guarantees 90MB/s minimum write speed
  • IP68 rating protects against water and dust ingress
  • Withstands drops up to 6 meters (19.6 feet)

Professional 8K video capture

The SanDisk Extreme PRO UHS-II V90 256GB SDXC card delivers sequential read speeds up to 310MB/s and write speeds up to 305MB/s. Its V90 rating guarantees a sustained minimum write speed of 90MB/s in compatible devices. This performance supports cinema-quality 8K recording at 30fps and continuous high-resolution burst photography for professional workflows.

Simple camera insertion

The card uses the standard SDXC form factor and slides directly into compatible DSLR or mirrorless camera slots without adapters or tools. Installation fails only when the host device lacks UHS-II or V90 support, which prevents the card from reaching its rated speeds. The IP68 rating confirms resistance to dust and water ingress during outdoor shoots.

Sustained 90MB/s write floor

Under continuous load the card maintains at least 90MB/s write throughput, preventing buffer overflows during extended 8K video takes or long burst sequences. Offload speeds reach 310MB/s read to move large files quickly between shooting sessions. The 256GB capacity holds significant footage, though users needing 1,118 minutes of 8K storage require higher-capacity models.

Highlights

  • Sequential read up to 310MB/s accelerates file offload
  • Sequential write up to 304MB/s sustains 8K capture
  • V90 rating guarantees 90MB/s minimum write speed
  • IP68 rating protects against water and dust ingress
  • Withstands drops up to 6 meters (19.6 feet)

Specifications

No published specifications for this item yet.

Questions about this item

How can I verify the card is delivering the rated 310 MB/s read and 304 MB/s write speeds after I put it in my camera?

Use a UHS-II card reader and benchmark software such as CrystalDiskMark or Blackmagic Disk Speed Test; sustained sequential results at or near 310 MB/s read and 304 MB/s write confirm the card is performing to spec.

What comes in the package and do I need to buy a reader or adapter separately?

The box contains only the 256 GB SDXC card; a UHS-II card reader or a camera with a UHS-II slot is required to reach the quoted speeds and must be purchased separately.

Should I choose the 256 GB version or a larger capacity for 8K video work?

The 256 GB card holds roughly 30 minutes of 8K 30 fps footage; if you need longer continuous recording, the 512 GB or 2 TB capacities store proportionally more — up to 118 minutes on the 2 TB model.

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