Best Memory Cards for Canon EOS-1D X Mark III

Looking for the best CFexpress memory cards for Canon EOS-1D X Mark III? Here are our top recommended & fastest CFexpress cards for Canon 1D X Mark III DSLR camera.

The Canon EOS-1D X Mark III (Amazon, B&H, Adorama) is a powerful DSLR camera designed for the professional sports, photojournalist, wildlife and wedding photographers, and it has dual CFexpress memory card slots that cater to the fast-continuous shooting rates and high-resolution video recording and also offer a flexible means for storing and sorting file types. Featuring a newly designed 20.1MP full-frame CMOS sensor and updated DIGIC X image processor, the Canon EOS-1D X Mark III is capable of continuous shooting rates up to 16 fps with the optical viewfinder or 20 fps in live view, with a 1000-shot buffer when shooting raw+JPEG, and it has the ability to record uncropped DCI 4K video internally at up to 60 fps with 10-bit, 4:2:2 color, as well as Full HD at 120 fps and raw 5.5K (5472 x 2886) at 60 fps. So, that means the Canon EOS-1D X Mark III camera can record the a 5.5K RAW on one CFexpress card while simultaneously recording a high quality 4K MP4 video on the second CFexpress card.

So, in order to get the ultra high read speeds (transfer speed) and write speeds (fast buffer clearing time) to get the best out of your camera, here we list the top recommended and fastest CFexpress cards for the Canon EOS-1D X Mark III DSLR camera, and we highly suggest you pick up two CFexpress cards from the list below.

Recommended CFexpress Memory Cards for Canon EOS-1D X Mark III

If you just want to cut to the chase, here are our top 5 recommended CFexpress cards for Canon EOS-1D X Mark III DSLR camera:

  1. Sony TOUGH CFexpress Memory Card Type B
  2. SanDisk Extreme PRO CFexpress Card Type B
  3. Delkin Devices CFexpress Memory Card
  4. Lexar Professional CFexpress Type-B Memory Card
  5. ProGrade Digital CFexpress Gold Memory Card

Any of these make for a good choice. If you’d like more detailed recommendations, you can find them below.

Best CFexpress Memory Cards for Canon EOS-1D X Mark III

1. Sony TOUGH CFexpress Memory Card Type B

  • Max Read Speed: 1700 MB/s
  • Max Write Speed: 1480 MB/s

Highly recommended! Extremely fast and reliable for professionals who require the highest performance in the most extreme conditions. Offering both strength and speed, the Sony TOUGH CFexpress Type B Memory Card provides fast read speeds up to 1700 MB/s along with write speeds up to 1480 MB/s. This quick performance benefits recording a variety of video resolutions, bit-rates, and compressions, as well as high-resolution continuous raw photo shooting. Beyond its speed, this TOUGH memory card also has a reinforced physical design to withstand falls from up to 15′ and has been rigidity tested to 70 N of force. It’s also resistant to extreme temperatures, X-rays, electrostatic, and UV lighting.

Buy Sony TOUGH CFexpress Type B Memory Card at Amazon, B&H, Adorama.

2. SanDisk Extreme PRO CFexpress Card Type B

  • Max Read Speed: 1700 MB/s
  • Max Write Speed: 1200 MB/s

Highly recommended! Designed to deliver speeds necessary for working with smooth, raw 4K video captures, the SanDisk Extreme PRO CFexpress Type B Memory Card provides read speeds of up to 1700 MB/s and write speeds of up to 1200 MB/s, which enables low latency during high-speed recording and an enhanced workflow efficiency. These cards also come with a RescuePRO Deluxe data recovery software download offer to give you a more convenient way of retrieving files that were accidentally deleted.

Buy SanDisk Extreme PRO CFexpress Type B Memory Card at Amazon, B&H, Adorama.

3. Delkin Devices CFexpress Memory Card

  • Max Read Speed: 1700 MB/s
  • Max Write Speed: 1400 MB/s

Built with strength, reliability, and performance, the Delkin Devices CFexpress Memory Card provides read speeds of up to 1700 MB/s and write speeds of up to 1400 MB/s, making it suitable for professional photographers and videographers. Designed to excel in high-end cinematic hosts, this card can capture 5.9K, DCI 4K, and Full HD video at standard and high frame rates of up to 180 fps, plus continuous shooting raw bursts of up to 200 still images.

Buy Delkin Devices CFexpress Memory Card at B&H, Adorama.

4. Lexar Professional CFexpress Type-B Memory Card

  • Max Read Speed: 1750 MB/s
  • Max Write Speed: 1000 MB/s

Designed to leverage the capabilities of next-generation cameras, this Lexar Professional CFexpress Type-B memory card utilizes the PCI Express 3.0 and NVMe protocols to provide high-speed performance, durability, and reliability. This card delivers read speeds of up to 1750 MB/s and write speeds of up to 1000 MB/s, both of which help to improve transfer speeds between the card and your computer, as well as accelerate your workflow.

Buy Lexar Professional CFexpress Type-B Memory Card at B&H.

5. ProGrade Digital CFexpress Gold Memory Card

  • Max Read Speed: 1600 MB/s
  • Max Write Speed: 1000 MB/s

Available in capacities from 120GB to 1TB, the ProGrade Digital CFexpress Gold Memory Cards provide read speeds up to 1600MB/s – ideal for quickly off-loading high volumes of video or RAW photos and minimum sustained write speeds up to 1,000MB/s – ideal for uninterrupted, cinematic capture of RAW 4K or 6K video. This card is resistant to temperature extremes, shock, vibration, and X-rays, and is also backward compatible with select XQD cameras that adopt firmware to enable CFexpress.

Buy ProGrade Digital CFexpress Gold Memory Card at Amazon, B&H.

Read more: Best Lenses for Canon EOS-1D X Mark III.