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

Canon EOS-1D X Mark III was released in early 2020 and represents one of the best DSLR cameras ever made. It comes with a 20MP full-frame sensor, which may not be enough for every type of photographer out there but it has some other incredible features to make up for it. Some of these include 16 fps burst shooting using the viewfinder or 20 fps burst through the Live View. This makes it an especially great option for sports and action photographers.

The camera also packs amazing autofocus and great video features including 5.5K video recording at up to 60 fps (12-bit RAW) and 4K video recording at up to 60 fps (4:2:2 10-bit). Of course, all of these features require high-quality cards, so let’s check out the best memory cards for Canon EOS-1D X Mark III.

best cfexpress memory cards canon 1dx mark iii
image source: Canon

Best CFexpress Cards for Canon 1D-X Mark III

First of all, the camera sports two memory card slots, both of which support extremely fast CFexpress memory cards (Type B). Of course, they are a bit pricier than your typical SD cards but are necessary for such a powerful camera. Alright, let’s take a look at the best CFexpress cards for Canon 1D-X Mark III.

CFexpress Type B Memory Cards:
Sony TOUGH CFexpress Memory Card Type B 256 GB Up to 1480 MB/s Up to 1700 MB/s
SanDisk Extreme PRO CFexpress Card Type B 256 GB Up to 1200 MB/s Up to 1700 MB/s

Recommended SD Cards for Video on Canon EOS 1D-X Mark III

Like we already mentioned, this camera is very capable when it comes to video recording. Of course, this also means it’s extremely data hungry. Namely, when recording 12-bit RAW internally, the required data rate is up to 2600 Mb/s (325 MB/s) and this is why CFexpress cards are completely necessary. As far as other recording modes go, they are not even half as demanding. The point is, these CFexpress cards are more than fast enough to handle video recording on the EOS 1D-X Mark III.


Canon EOS 1D-X Mark III is an incredibly powerful DSLR camera that is great both for photography and video work. It’s quite large and expensive but people who need this powerhouse probably won’t mind that. We hope that our guide helped you pick the right memory card for your Canon EOS 1D-X Mark III.

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