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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

  • Total capacity256 GB
  • Memory card formatSD
  • Speed classClass 10
  • Max read speed200 MB/s
  • Write throughput140 MB/s
  • Product typeSecure Digital Extended Capacity (SDXC)
  • 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.

How it compares

Measured against everything we stock in SD & MicroSD Memory Cards, at today’s prices. Recalculated every night.

Price $108.99
Pricier than about 74% of the 1,947 comparable items (median $46.99).
Total capacity 256 GB
Higher than about 80% of the 1,132 comparable items (median 64 GB).
Price per TB $425.74 per TB
Pricier than about 55% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameSanDisk
Product lineMusic
Model nameExtreme Pro V30
Part numberSDSDXXD-256G-ANCIN
Total capacity256 GB
Product typeSecure Digital Extended Capacity (SDXC)
Performance
Speed classClass 10
Max read speed200 MB/s
Write throughput140 MB/s
Storage
Memory card formatSD
Size & build
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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