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Black full-size SDXC card with gold contacts and red Extreme Pro label

SanDisk

SanDisk Extreme Pro 64GB SDXC UHS-II SDSDXPB-064G-A46

SKU CH-GSN4-Y106E MPN SDSDXPB-064G-A46

64GB UHS-II SDXC card with up to 280MB/s read and 250MB/s write speeds for 4K and 3D video workflows

  • TypeSecure Digital Extended Capacity (SDXC)
  • Card typeFull Size SD
  • Capacity64GB
  • Speed Class RatingUHS-II
  • Read Speedup to 280MB/s
  • Write Speedup to 250MB/s
  • Up to 280MB/s read speed accelerates post-production workflow
  • Up to 250MB/s write speed handles continuous burst and high-bitrate modes
  • UHS Speed Class 3 rating supports 4K, Full HD and 3D video capture
  • UHS-II interface enables the card's top-tier transfer performance
  • 64GB capacity provides ample space for extended shoots

Professional UHS-II card for high-speed capture

The SanDisk Extreme Pro 64GB SDXC card uses the UHS-II interface to deliver read speeds up to 280MB/s and write speeds up to 250MB/s. It carries a UHS Speed Class 3 rating for sustained 4K, Full HD and 3D video recording. The full-size form factor fits standard SD slots in professional cameras and recorders.

Photographers needing burst throughput

This card suits shooters who rely on fast continuous bursts or high-bitrate video codecs. It is not for users whose devices only support UHS-I, as the higher bus speeds will not be utilised. Buyers who want more storage than 64GB should look at higher-capacity cards.

Sustained write performance holds near rated speed

Under continuous load the card maintains write throughput close to the 250MB/s maximum, preventing buffer overflow during long bursts or extended video clips. Read speeds stay near 280MB/s for rapid offload to editing workstations. Thermal throttling is minimal during prolonged sessions.

Highlights

  • Up to 280MB/s read speed accelerates post-production workflow
  • Up to 250MB/s write speed handles continuous burst and high-bitrate modes
  • UHS Speed Class 3 rating supports 4K, Full HD and 3D video capture
  • UHS-II interface enables the card's top-tier transfer performance
  • 64GB capacity provides ample space for extended shoots

Specifications

BrandSanDisk
SeriesExtreme Pro
ModelSDSDXPB-064G-A46
TypeSecure Digital Extended Capacity (SDXC)
Card typeFull Size SD
Capacity64GB
Speed Class RatingUHS-II
Read Speedup to 280MB/s
Write Speedup to 250MB/s
FeaturesWorld's fastest SDHC/SDXC memory card
Write speed up to 250MB/s supports advanced shooting modes
Up to 280MB/s read speed for maximum workflow efficiency
UHS Speed Class 3 supports 4K, Full HD, and 3D video recording
Capacities up to 64GB accommodate RAW image files
Shipping weight0.02 kg
Package size152 × 103 × 8 mm

Questions about this item

What camera slot do I need to use this SDSDXPB-064G-A46 card at its rated speeds?

You need a camera with a full-size SD slot that supports the UHS-II standard to reach the 280MB/s read and 250MB/s write speeds.

Will this UHS-II card work in my older UHS-I camera body?

Yes, it works in UHS-I slots but speeds drop to the UHS-I maximum of the camera, not the 280MB/s read or 250MB/s write shown on the card.

How can I verify the card is delivering its rated 280MB/s read and 250MB/s write after setup?

Run a benchmark tool such as CrystalDiskMark or Blackmagic Disk Speed Test on a UHS-II reader; results should approach 280MB/s read and 250MB/s write.

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