Best Memory Cards for Canon EOS R3

Searching for the best memory cards for Canon EOS R3? Here is the full list of top recommended CFexpress cards (Type B) and SD cards for Canon EOS R3 mirrorless camera.

For file-saving convenience, the Canon EOS R3 has two memory card slots: 1 x CFexpress (Type B) card slot and 1 x UHS-II SD card slot. The CFexpress Type B slot should be prioritized for 6K video recording and fast continuous shooting while the SD card slot is a convenient alternative for backups or less speed-critical shooting.

Sporting a new 24MP full-frame back-illuminated stacked CMOS sensor and an updated DIGIC X image processor, the Canon EOS R3 supports high-res 6K 60p raw 12-bit internal recording and uncropped 4K 120p 10-bit recording with Canon Log 3, and it is capable of up to 30 fps burst shooting with an electronic shutter or up to 12 fps shooting with the mechanical shutter. In addition, the rugged Canon R3 body also incorporates a high-resolution 5.76m-dot OLED EVF and a 3.2″ vari-angle touchscreen LCD, along with dual memory card slots, wireless and wired connectivity, and an updated Multi-Function Shoe design for expanded accessory compatibility.

Below are the best memory cards for Canon EOS R3 mirrorless camera, including CFexpress cards (Type B) and UHS-II SD cards. You can just get the one you like!

CFexpress Cards (Type B) | UHS-II SD Cards

Best CFexpress Cards (Type B) for Canon EOS R3

Here is the full list of top recommended CFexpress cards (Type B) for Canon EOS R3 mirrorless camera. 

The Canon EOS R3 card slot 1 is compatible with the ultra-fast CFexpress Type B cards that is ideal for 8K, 6K, 4K video and high-speed burst shooting needs. Currently, Delkin Devices Power & Black CFexpress Cards, ProGrade Digital Cobalt & Gold CFexpress Cards, Sony TOUGH CFexpress Cards and SanDisk Extreme PRO CFexpress are the top fastest and the most popular choices for you!

CFexpress Cards (Type B) Max. Read Speed Max. Write Speed Buy Now
Delkin Devices POWER CFexpress Type B Card 1730 MB/s 1540 MB/s Amazon | B&H | Adorama
ProGrade Digital Cobalt Series CFexpress Card 1700 MB/s 1500 MB/s Amazon | B&H | Adorama
Sony TOUGH CFexpress Memory Card Type B 1700 MB/s 1480 MB/s Amazon | B&H | Adorama
Wise Advanced CFX-B Series CFexpress Card 1700 MB/s 1550 MB/s B&H
Delkin Devices BLACK CFexpress Type B Card 1645 – 1760 MB/s 1400 – 1710 MB/s B&H
ProGrade Digital Gold Series CFexpress Card 1700 MB/s 1400 – 1500 MB/s Amazon | B&H | Adorama
SanDisk Extreme PRO CFexpress Card Type B 1700 MB/s 1200 – 1400 MB/s Amazon | B&H | Adorama
Hoodman Steel CFexpress Card 1700 MB/s 1,400 MB/s Amazon | B&H | Adorama
Lexar Professional CFexpress Type-B Card 1750 MB/s 1,000 MB/s Amazon | B&H | Adorama

Built with strength, reliability, and performance, the Delkin Devices Power & Black CFexpress Cards provides read speeds of up to 1730 MB/s and write speeds of up to 1540 MB/s that are well-suited for raw and continuous-burst photography, as well as 8K, 6K, and 4K video at high bitrates and frame rates. Besides, the ProGrade Digital Cobalt & Gold CFexpress Cards and Sony TOUGH CFexpress Cards are also the top fastest CFexpress cards on the market – providing read speeds of up to 1700 MB/s, which helps to quickly offload content to your computer, and write speeds of up to 1500 MB/s. Additionally, the Cobalt’s minimum write speed is guaranteed not to drop below 1400 MB/s. Or, if you are a SanDisk fans, the SanDisk Extreme PRO CFexpress card is also a great choice. Just get the one you like most!

Best UHS-II SD Cards for Canon EOS R3

Here is the full list of top recommended UHS-II SD cards for Canon EOS R3 mirrorless camera. 

The Canon EOS R3 card slot 2 supports the UHS-II SD cards for backups or less speed-critical shooting. Currently, the Sony SF-G Tough UHS-II SD Card (V90)Kingston Canvas React Plus UHS-II SD Card (V90)ProGrade Digital UHS-II SDXC Card (V90)Delkin Devices Power UHS-II SDXC Card (V90) and Lexar Professional 2000x UHS-II SD Card (V90) are the top recommended and fastest UHS-II SD cards on the market.

UHS-II SD Cards Max. Read Speed Max. Write Speed Buy Now
Sony SF-G Tough UHS-II SD Card (V90) 300 MB/s 299 MB/s Amazon | B&H | Adorama
Kingston Canvas React Plus UHS-II SD Card (V90) 300 MB/s 260 MB/s Amazon | B&H | Adorama
ProGrade Digital UHS-II SDXC Card (V90) 300 MB/s 250 MB/s Amazon | B&H | Adorama
Delkin Devices Power UHS-II SDXC Card (V90) 300 MB/s 250 MB/s Amazon | B&H | Adorama
Delkin Devices BLACK UHS-II SDXC Card (V90) 300 MB/s 250 MB/s B&H
Lexar Professional 2000x UHS-II Card (V90) 300 MB/s 260 MB/s Amazon | B&H | Adorama
SanDisk Extreme PRO UHS-II SD Card 300 MB/s 260 MB/s Amazon | B&H | Adorama
Hoodman Steel 2000x SDXC UHS-II Card 300 MB/s 260 MB/s B&H
Sony SF-M Tough UHS-II SDXC Card (V60) 277 MB/s 150 MB/s Amazon | B&H | Adorama
ProGrade Digital UHS-II SDXC Card (V60) 250 MB/s 130 MB/s Amazon | B&H | Adorama
Sony SF-E Series UHS-II SDXC Card (V60) 270 MB/s 120 MB/s Amazon | B&H | Adorama
Lexar Professional 1667x UHS-II SD Card (V60) 250 MB/s 90 MB/s Amazon | B&H | Adorama

Offering maximum read speeds of up to 300 MB/s and maximum write speeds of up to 299 MB/s, the Sony SF-G Tough Series UHS-II SD card is currently the world’s fastest SD card on the market and the top choice for you, and it is ideal for super fast continuous shooting as well as video capture, including 8K, 4K XAVC S, 60p AVCHD, 3D, HFR, and Full HD video. In addition, thanks to its V90 speed class rating, minimum write speeds are guaranteed not to drop below 90 MB/s. The only downside is: this card is a little expensive for many photographers. The Kingston Canvas React Plus UHS-II SD Card (V90)ProGrade Digital UHS-II SDXC Card (V90)Delkin Devices Power UHS-II SDXC Card (V90) are the top three alternatives to the Sony SF-G Tough UHS-II SD Card.

Besides, with maximum read speeds of 300 MB/s and maximum write speeds of 260 MB/s, Kingston Canvas React Plus UHS-II SD CardProGrade Digital UHS-II SDXC Card (V90)Delkin Devices Power/Black UHS-II SDXC Card (V90) and Lexar Professional 2000x UHS-II Card are another four excellent choices with a little cheaper price and these four cards offer almost the same speed. If you need some fast and reliable UHS-II SD cards without spending too much, the ProGrade Digital UHS-II SDXC Card (V90) and the Delkin Devices Power UHS-II SDXC Card (V90) are the top two choices for you! Or, if you need some cheaper and reliable SD cards, you can also consider the Sony SF-M Tough UHS-II SD Card (V60) and the ProGrade Digital UHS-II SD Card (V60).

Don’t own the Canon EOS R3 yet? Just get it at AmazonB&HAdorama.

Read more: Best Lenses for Canon EOS R3.