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SanDisk Extreme Pro 256GB CompactFlash memory card, black rectangular form factor with label

SanDisk

SanDisk Extreme Pro 256GB CompactFlash CFXPS-256G-X46 memory card

SKU CH-F24S-K1J4G MPN CFXPS-256G-X46

256GB CompactFlash card with 160MB/s read, 140MB/s write, and VPG-65 for 4K video

  • Card typeFull Size SD
  • TypeCompact Flash (CF)
  • Capacity256GB
  • Speed Class RatingUDMA 7
  • Read Speedup to 160MB/s
  • Write Speedup to 140MB/s

Capacity 256GB

Series Extreme Pro

  • 256 GB capacity stores hours of 4K video
  • Up to 160 MB/s read speed accelerates file transfers
  • Up to 140 MB/s write speed keeps up with burst shooting
  • VPG-65 rating guarantees sustained 65 MB/s for cinema-quality video
  • UDMA 7 interface enables high-performance CompactFlash operation

SanDisk Extreme Pro 256GB CompactFlash Card

The SanDisk Extreme Pro CFXPS-256G-X46 is a 256GB CompactFlash card built for professional cameras and video recorders. It delivers read speeds up to 160MB/s and write speeds up to 140MB/s with UDMA 7 support. The VPG-65 rating guarantees a minimum sustained write speed of 65MB/s for cinema-quality 4K and Full HD recording.

Upgrading from slower CF cards or lower capacities

Photographers using older cards rated below UDMA 7 or VPG-65 will see faster buffer clearing and reliable 4K capture. The jump is worth it when your current card limits burst shooting duration or drops frames during video recording. Capacities of 16, 32, 64, and 128GB are also available if 256GB exceeds your storage needs.

Check your camera slot and firmware before ordering

This card requires a CompactFlash Type I slot and UDMA 7 compatibility for full speed. Verify that your camera or recorder supports VPG-65 for guaranteed 4K video performance. Some older bodies may accept the card physically but cannot utilise the rated speeds or video guarantees.

Highlights

  • 256 GB capacity stores hours of 4K video
  • Up to 160 MB/s read speed accelerates file transfers
  • Up to 140 MB/s write speed keeps up with burst shooting
  • VPG-65 rating guarantees sustained 65 MB/s for cinema-quality video
  • UDMA 7 interface enables high-performance CompactFlash operation

Specifications

BrandSanDisk
Card typeFull Size SD
SeriesExtreme Pro
ModelCFXPS-256G-X46
TypeCompact Flash (CF)
Capacity256GB
Speed Class RatingUDMA 7
Read Speedup to 160MB/s
Write Speedup to 140MB/s
OptionN/A

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Questions about this item

Does the CompactFlash form factor fit a standard CF slot?

Yes, the card uses the CompactFlash form factor and fits any standard CF slot.

How do I install the card and what step is often missed?

Insert the card label-side up into the CF slot until it clicks, then format it in the camera before first use — skipping the in-camera format is the common mistake.

Will the VPG-65 rating remain valid over time or does the card need replacement?

VPG-65 guarantees a minimum sustained write speed of 65MB/s for the life of the card; no periodic replacement is required unless the card becomes damaged or fails.

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