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A red and gold SDXC memory card, 256 GB capacity

SanDisk

SanDisk Extreme PRO 256 GB SDXC UHS-I U3 V30 SDSDXXD256GANCIN

SKU CH-99C4-1HG74 MPN SDSDXXD256GANCIN

A 256 GB SDXC card rated U3 and V30 with 200 MB/s read and 140 MB/s write speeds for 4K video capture

  • Card typeSD
  • TypeSecure Digital Extended Capacity (SDXC)
  • Capacity256 GB
  • Speed Class Ratingclass_10
  • Read Speed200 megabytes_per_second
  • Write Speed140 MB/s
  • Fast burst shooting with 200 MB/s read speed
  • Smooth 4K video capture at 140 MB/s write speed
  • Reliable performance from UHS-I U3 V30 rating
  • Ample storage for projects with 256 GB capacity
  • Ready for continuous recording with Class 10 speed

SanDisk Extreme PRO 256 GB SDXC card

This SanDisk Extreme PRO card delivers 256 GB of SDXC storage for cameras and recorders that accept full-size SD media. It is rated for 200 MB/s read and 140 MB/s write speeds under the UHS-I U3 and V30 specifications.

Suited for 4K video and burst photography

Photographers and videographers who need sustained write performance for 4K recording or long raw bursts will benefit from the V30 guarantee. Users requiring higher sustained throughput for 8K workflows or faster offload speeds should consider cards with higher video speed class ratings.

V30 sustained write rating

The Video Speed Class 30 marking confirms a minimum sequential write speed of 30 MB/s, which is the decisive figure for uninterrupted 4K capture. Confirm that your device supports SDXC and UHS-I to use the full capacity and speed.

Highlights

  • Fast burst shooting with 200 MB/s read speed
  • Smooth 4K video capture at 140 MB/s write speed
  • Reliable performance from UHS-I U3 V30 rating
  • Ample storage for projects with 256 GB capacity
  • Ready for continuous recording with Class 10 speed

Specifications

BrandSanDisk
Card typeSD
SeriesMusic
ModelExtreme Pro V30
Part NumberSDSDXXD-256G-ANCIN
TypeSecure Digital Extended Capacity (SDXC)
Capacity256 GB
Speed Class Ratingclass_10
Read Speed200 megabytes_per_second
Write Speed140 MB/s
Shipping weight0.45 kg
Package size114 × 13 × 13 mm

Questions about this item

Which capacity should I choose for this SanDisk Extreme PRO SDXC card?

This model is offered in a single 256 GB capacity, so there are no other versions to compare for this specific part number.

What does the 200 MB/s read speed mean when the card is used in a camera or reader?

The 200 MB/s figure is the maximum sequential read speed; actual transfer rates depend on the host device's UHS-I implementation and file system overhead.

How does the UHS-I interface affect the 140 MB/s write speed in practice?

The card uses a UHS-I bus, and the 140 MB/s write speed is the peak sequential rate achievable on compatible UHS-I hosts that support the necessary timing modes.

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