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SanDisk

SanDisk Extreme PRO CFexpress 512GB Card & Reader

★★★★★4.7 (2670 reviews)

Unleash Peak Performance with CFexpress Technology Experience unparalleled speed and efficiency with the SanDisk 512GB Extreme PRO CFexpress Card Type B. Paired with the SanDisk Extreme PRO CFexpress Card Reader, this combo accelerates your workflow from capture to post-production. Storage Cap...

$393.87*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

Unleash Peak Performance with CFexpress Technology

Experience unparalleled speed and efficiency with the SanDisk 512GB Extreme PRO CFexpress Card Type B. Paired with the SanDisk Extreme PRO CFexpress Card Reader, this combo accelerates your workflow from capture to post-production.

  • Storage Capacity: 512GB
  • Read Speed: Up to 1700MB/s
  • Write Speed: Up to 1400MB/s
  • Compatibility: Backwards-compatible with select XQD cameras (firmware update may be required)
  • Interface: USB 3.1 Gen 2
  • Video Support: Enables smooth, RAW 4K video recording (support may vary based on host device)

Key Features

Read speeds of up to 1700MB/s and 1400MB/s write speeds** offer low latency during high-speed recording and enhance workflow efficiency far beyond existing SanDisk cards [512GB only; 128GB-256GB = 1700MB/s read / 1200 MB/s write; 64GB = 1500 MB/s read / 800MB/s write] | **Up to 1700MB/s read speed; up to 1400MB/s write speed. Based on internal testing; performance may be lower depending upon host device, usage conditions, and other factors. 1MB=1,000,000 bytes.

Enables smooth, RAW 4K video(1) | (1)4K video (4069x2160p) support may vary based on host device, file attributes, usage conditions and other factors.

The Cfexpress CardType B is backwards-compatible with select XQD cameras that adopt firmware enabling Cfexpress(2) | (2)Backwards compatibility with select XQD cameras subject to the availability and installation of a camera firmware update provided by the camera manufacturer enabling CFexpress compatibility.

Supports USB 3.1 Gen 2 speeds for smooth, efficient workflow from location to post production

USB 3.1 Gen 2 permits interface speeds of up to 1250MB/s, actual performance may vary based on memory card, host device, file attributes, usage conditions and other factors

Compatible with the CFexpress Card Type B format to take advantage of the card’s speeds and features (Card sold separately)

Specifications

Card Type
CFexpress Card Type B
Capacity
512GB
Max Read Speed
1700MB/s
Max Write Speed (512GB)
1400MB/s
Video Support
RAW 4K
Reader Interface
USB 3.1 Gen 2

Pros & Cons

👍 Pros

  • Achieves impressive read speeds of up to 1700MB/s, significantly enhancing data transfer efficiency.
  • Offers high write speeds of up to 1400MB/s (for the 512GB model), crucial for high-speed continuous shooting and video recording.
  • Enables smooth, RAW 4K video recording, supporting professional videography workflows.
  • Features backward compatibility with select XQD cameras that support a firmware update for Cfexpress.
  • The bundled reader supports USB 3.1 Gen 2 speeds, optimizing workflow from capture to post-production.

👎 Cons

  • The full read/write speeds of 1700MB/s and 1400MB/s are only guaranteed for the 512GB capacity and larger, with smaller capacities having reduced write speeds.
  • Backward compatibility with XQD cameras requires a specific camera firmware update, which may not be available for all XQD models.
  • The actual performance can vary based on the host device, usage conditions, and other factors, potentially not reaching stated maximums.
  • The included reader supports CFexpress Card Type B, but the card itself is sold separately unless specified in a bundle.
  • 4K video support may vary based on host device, file attributes, and other usage conditions, meaning it's not universally guaranteed.

Frequently Asked Questions

The 512GB SanDisk Extreme PRO CFexpress card boasts read speeds of up to 1700MB/s and write speeds of up to 1400MB/s, designed for rapid data handling.
Yes, this card enables smooth RAW 4K video recording, although support may vary depending on the host device, file attributes, and other conditions.
This Cfexpress Card Type B offers backward compatibility with select XQD cameras, provided those cameras adopt a firmware update to enable Cfexpress functionality.
A reader is included that supports USB 3.1 Gen 2 speeds, allowing for efficient workflow from your camera to post-production with interface speeds up to 1250MB/s.
Performance may be lower depending on the host device, usage conditions, and other factors, as the stated speeds are based on internal testing.

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