Best Memory Cards for Canon EOS R3

Best Memory Cards for Canon EOS R3. Here is our full list of top recommended CFexpress cards and SD cards for Canon EOS R3 mirrorless camera.

The Canon EOS R3 has dual memory card slots: 1 x CFexpress (Type B) card slot and 1 x UHS-II SD card slot. 

The  Canon EOS R3 ($5999 at Amazon | B&H Photo | Adorama) supports high-res 6K raw 12-bit internal recording and uncropped 4K 120p 10-bit recording with Canon Log 3. The improved Dual Pixel CMOS AF II with 1,053 AF Points features evolved EOS iTR tracking for subjects such as people, animals, as well as select cars and motorcycles down to EV -7.5. 

The CFexpress card slot is ideal for 4K video and high-speed, high-resolution burst shooting needs while the SD card slot retains a familiar form factor for wide compatibility.  In order to get the ultra high read speeds and write speeds to get the best out of your Canon EOS R3 camera, here we list the top recommended CFexpress cards and SD cards for the Canon EOS R3 mirrorless camera based on the speed and price.

What memory cards does the Canon R3 use?

The Canon R3 features two memory card slots, a CFexpress Type-B slot, and a UHS-II SD card slot. The CFexpress card slot is much faster and CFexpress cards offer durability advantages with advanced features such as thermal throttling.

Best Memory Cards for Canon EOS R3

One of the Canon EOS R3’s card slots is CFexpress card slot, supports world’s fastest CFexpress cards. Currently, the fastest and toughest CFexpress card is Sony Tough CFexpress Type-B, has max read speed at 1,700MB/s, and max write speed at 1,480MB/s.

Here are the quick comparison tables of our top recommended & fastest CFexpress cards and SD cards for Canon EOS R3 mirrorless camera.

CFexpress Cards:

Card Max. Read Speed Max. Write Speed
Sony TOUGH CFexpress Memory Card Type B 1700 MB/s 1480 MB/s
SanDisk Extreme PRO CFexpress Card Type B 1700 MB/s 1200 – 1400 MB/s
Delkin Devices CFexpress POWER Card 1700 MB/s 1,400 MB/s
Hoodman 256GB Steel CFexpress Card 1700 MB/s 1,400 MB/s
ProGrade Digital CFexpress 2.0 Cobalt Card 1600 MB/s 1,400 MB/s
Wise Advanced CFX-B Series CFexpress Card 1700 MB/s 1050 – 1550 MB/s
Lexar Professional CFexpress Type-B Card 1750 MB/s 1,000 MB/s
ProGrade Digital CFexpress 2.0 Gold Card 1700 MB/s 1,400 MB/s

SD Cards:

SD Card Max. Read Speed Max. Write Speed
Sony SF-G Tough UHS-II Card 300 MB/s 299 MB/s
Lexar Professional 2000x UHS-II Card 300 MB/s 260 MB/s
SanDisk Extreme PRO UHS-II Card 300 MB/s 260 MB/s
Hoodman Steel 2000x UHS-II SD Card 300 MB/s 260 MB/s
ProGrade Digital UHS-II SDXC Card 300 MB/s 250 MB/s
Delkin Devices Power UHS-II SDXC Card 300 MB/s 250 MB/s
Sony SF-E Series UHS-II SDXC Card 270 MB/s 120 MB/s
Lexar Professional 1667x UHS-II SD Card 250 MB/s 90 MB/s
SanDisk Extreme PRO UHS-I Card 170 MB/s 90 MB/s

Any of these will be a good choice of the best memory cards for Canon EOS R3 camera.

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