Best Memory Cards for Canon EOS R

The Canon EOS R is a highly advanced full-frame mirrorless camera that offers exceptional image quality and impressive video capabilities. To make the most of this cutting-edge camera, it is crucial to use a high-performance memory card that can handle the camera’s rapid burst shooting and 4K video recording. In this article, we will explore the best memory cards available for the Canon EOS R, ensuring you have the speed and capacity required to capture your photographic moments seamlessly.

The Canon EOS R boasts a 30.3MP Full-Frame CMOS Sensor and a DIGIC 8 Image Processor, enabling stunning image quality and excellent low-light performance. With its ability to shoot at up to 8 frames per second (fps) and record UHD 4K video at 30 fps, it demands a memory card that can keep up with its speed and data-intensive requirements.

Understanding Memory Card Speed Classes

Before diving into the best memory cards for the Canon EOS R, it’s important to understand memory card speed classes. Memory cards are classified based on their minimum sustained write speed, which determines how quickly they can store data from the camera. The two most common speed class ratings are Class 10 and UHS Speed Class 1 (U1).

UHS-II vs. UHS-I: Which is Better?

The Canon EOS R supports UHS-II SD cards but is also compatible with UHS-I and standard SD cards. UHS-II cards offer significantly faster read and write speeds compared to UHS-I cards, making them ideal for professional photographers and videographers who require faster data transfer rates. However, UHS-I cards can still deliver excellent performance in most shooting situations.

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Factors to Consider When Choosing a Memory Card

When selecting a memory card for your Canon EOS R, consider the following factors:

a. Capacity

Choose a memory card with sufficient capacity to accommodate your shooting needs. High-resolution images and 4K videos consume more storage space, so opt for larger capacity cards if you frequently engage in these types of photography.

b. Speed

Look for memory cards with fast write speeds to prevent buffer delays during continuous shooting and recording high-quality videos. UHS-II cards offer superior speed performance, but UHS-I cards can still provide satisfactory results for most users.

c. Reliability

Opt for memory cards from reputable brands known for their reliability and durability. Trusted manufacturers often provide better warranty coverage and customer support.

Best Memory Cards for Canon EOS R

1. Sony SF-G Tough UHS-II Card (300 MB/s, V90)

  • UHS-II / V90 / U3 / Class 10
  • Max Read Speed: 300 MB/s
  • Max Write Speed: 299 MB/s

Save: 21.99
as of September 25, 2023 12:58 pm
Recommended fastest UHS-II SD card. The Sony SF-G Tough Series UHS-II Memory Card can read 300 MB/s and write 299 MB/s, making it the world’s fastest SD memory card. It’s ideal for 4K and Full HD video recording and extremely fast continuous shooting. The V90 speed class guarantees minimum write rates of 90 MB/s. If you want the fastest write speed with a V90 rating and 250-300MB/s read rates, this is the card for you.

2. Lexar Professional 2000x UHS-II Card (300 MB/s, V90)

  • UHS-II / V90 / U3 / Class 10
  • Max Read Speed: 300 MB/s
  • Max Write Speed: 260 MB/s
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as of September 25, 2023 12:58 pm
Best Value! The Lexar Professional 2000x UHS-II card delivers very fast read and write rates, and you can get a complimentary Lexar SD UHS-II Reader for high-speed file transfer from card to computer, speeding productivity. The V90 speed class guarantees minimum write rates of 90 MB/s. It’s ideal for UHS-II cameras that capture 4K or Full HD video at 8fps+. Faster buffer cleaning implies more shots.

3. SanDisk Extreme PRO UHS-II Card (300 MB/s)

  • UHS-II / U3 / Class 10
  • Max. Read Speed: 300 MB/s
  • Max. Write Speed: 260 MB/s

as of September 25, 2023 12:58 pm
Rapid SD card. SanDisk Extreme PRO UHS-II SDXC Memory Cards can read 300 MB/s and write 260 MB/s. Amazingly quick! Perfect for continuous filming and 4K video. U3 speed class guarantees minimum write rates of 30 MB/s.

4. Lexar Professional 1667x UHS-II SD Card (250 MB/s, V60)

  • UHS-II / V60 / U3 / Class 10
  • Max Read Speed: 250 MB/s
  • Max Write Speed: 90 MB/s

Save: 8
as of September 25, 2023 12:58 pm
Excellent, affordable UHS-II card. The Lexar Professional 1667x UHS-II card is perfect for quick burst shooting and 4K & full HD video recording. This card has UHS-I-like performance and pricing. Wow!

5. Hoodman Steel 2000x UHS-II SD Card (300 MB/s)

  • UHS-II / U3 / Class 10
  • Max Read Speed: 300 MB/s
  • Max Write Speed: 260 MB/s

Save: 10
as of September 25, 2023 12:58 pm
Hoodman Steel is a steel-plated SDXC card designed for high-performance photography/videography. Hoodman Steel 2000x SDXC UHS-II Memory Card supports 4K Ultra HD video and has a read speed of up to 300 MB/s and a write speed of up to 260 MB/s. Another winner!

How to Format a Memory Card for Canon EOS R

To ensure optimal performance and compatibility, it is advisable to format your memory card within the Canon EOS R camera. Follow these steps to format your memory card:

  1. Insert the memory card into the camera.
  2. Turn on the camera and go to the menu.
  3. Navigate to the “Setup” or “Tools” section.
  4. Select the “Format Card” option.
  5. Confirm the formatting process.
  6. Wait for the camera to complete the formatting.
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Tips for Proper Memory Card Handling

To maintain the longevity and performance of your memory cards, consider the following tips:

  • Avoid exposing memory cards to extreme temperatures and humidity.
  • Keep the memory cards in a protective case or sleeve when not in use.
  • Avoid touching the gold contacts on the memory card to prevent damage from static electricity.
  • Always eject the memory card properly from the camera or card reader to prevent data corruption.


Investing in a high-quality memory card is essential to fully utilize the capabilities of the Canon EOS R. By selecting a card with fast write speeds, sufficient capacity, and proven reliability, you can enhance your shooting experience and capture precious moments without limitations. Remember to handle your memory cards with care and format them within the camera for optimal performance.


Q: Can I use UHS-I cards with the Canon EOS R?

A: Yes, the Canon EOS R supports UHS-I cards, but for optimal performance, it is recommended to use UHS-II cards.

Q: What is the maximum capacity of memory cards compatible with the Canon EOS R?

A: The Canon EOS R supports SD memory cards with a maximum capacity of 2 TB.

Q: How many images can I store on a memory card?

A: The number of images depends on various factors, such as image resolution, compression settings, and card capacity.

Q: Can I use microSD cards with the Canon EOS R?

A: Yes, you can use microSD cards with an adapter, ensuring they meet the necessary speed and capacity requirements.

Q: Are there any specific requirements for recording 4K videos on the Canon EOS R?

A: To record 4K videos on the Canon EOS R, it is recommended to use UHS-II SD cards with a minimum U3 speed class rating.

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