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SanDisk Extreme Pro CFexpress Type B 64GB card, rectangular matte black finish

SanDisk

SanDisk Extreme Pro CFexpress Type B 64GB 1700MB/s 1400MB/s

SKU CH-A5KQ-V6MXN

CFexpress Type B card with 64 GB capacity, 1700 MB/s read and 1400 MB/s write speeds for RAW 4K video and XQD compatibility

  • Read speeds up to 1700 MB/s for fast data offload
  • Write speeds up to 1400 MB/s for smooth RAW 4K video capture
  • 64 GB capacity stores high-resolution footage
  • Backwards-compatible with select XQD cameras via firmware
  • Includes RescuePRO Deluxe recovery software for file retrieval

Extreme Pro CFexpress Type B 64GB

The SanDisk Extreme Pro CFexpress Type B is a 64GB memory card built for professional cameras that accept the Type B form factor. It delivers read speeds up to 1700MB/s and write speeds up to 1400MB/s for demanding capture workflows. The card includes RescuePRO Deluxe recovery software and carries a limited lifetime warranty.

Suited for RAW 4K video, not slower workflows

This card suits photographers and videographers recording RAW 4K footage where sustained high write speed prevents dropped frames. It also benefits users with select XQD cameras updated with CFexpress firmware. Buyers whose cameras only support UHS-I or UHS-II SD media cannot use this card. Those recording lower-bitrate formats gain no practical advantage from the extra throughput.

1400MB/s write speed decides fit

The maximum write speed of 1400MB/s is the specification that determines whether this card matches the camera’s required sustained data rate. If the camera’s specification calls for a lower minimum write speed, a slower card will work and cost less. If the camera requires this rate or higher for its top video modes, this card meets that threshold.

Highlights

  • Read speeds up to 1700 MB/s for fast data offload
  • Write speeds up to 1400 MB/s for smooth RAW 4K video capture
  • 64 GB capacity stores high-resolution footage
  • Backwards-compatible with select XQD cameras via firmware
  • Includes RescuePRO Deluxe recovery software for file retrieval

Specifications

BrandSanDisk

Questions about this item

Does my camera need a CFexpress Type B slot to use this 64GB card?

Yes, the card requires a native CFexpress Type B slot; it will not fit or function in SD, CFast or XQD-only slots without the specific firmware update mentioned.

Will the card work in my older XQD camera without a firmware update?

No, backward compatibility only applies to select XQD cameras that have adopted the firmware enabling CFexpress; without that update the card will not be recognised.

How can I verify the card is delivering the rated 1700MB/s read and 1400MB/s write speeds after setup?

Run a sustained read/write benchmark such as Blackmagic Disk Speed Test or CrystalDiskMark on a compatible host; sustained results approaching 1700MB/s read and 1400MB/s write confirm intended performance.

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