One of the card slots on the Canon EOS R5 is a CFexpress card slot, which supports the world’s fastest CFexpress cards. The fastest and toughest CFexpress card currently available is the Sony Tough CFexpress Type-B, which has a maximum read speed of 1,700MB/s and a maximum write speed of 1,480MB/s.
Internally, the Canon EOS R5 enables high-resolution DCI 8K 30 fps raw video recording, as well as 4K recording at up to 120 fps in 4:2:2 10-bit with Canon Log and up to 20 fps burst shooting with an electronic shutter and up to 12 fps with a mechanical shutter. The CFexpress card slot is ideal for 8K video and high-speed, high-resolution burst shooting, whereas the SD card slot keeps a familiar form factor for broad compatibility. To get the best read and write speeds out of your Canon EOS R5 camera, we’ve compiled a list of the top recommended CFexpress cards and SD cards for the Canon EOS R5 mirrorless camera based on speed and price.
The following are quick comparison tables of our top recommended and fastest CFexpress cards and SD cards for the Canon EOS R5 mirrorless camera.
Best Memory Cards for Canon EOS R5
Recommended CFexpress memory cards for Canon EOS R5:
| Card | Max. Read Speed | Max. Write Speed | Check Price |
| Sony Tough CFexpress Type-B | 1,700 MB/s | 1,480 MB/s | Amazon |
| SanDisk Extreme Pro CFexpress | 1,700 MB/s | 1,400 MB/s | Amazon |
| Delkin Devices CFexpress | 1,700 MB/s | 1,400 MB/s | Amazon |
| Wise Advanced CFX-B Series CFexpress | 1,700 MB/s | 1,050 – 1,550 MB/s | Amazon |
| Hoodman Steel CFexpress | 1,700 MB/s | 1,400 MB/s | B&H |
| ProGrade Digital CFexpress 2.0 Cobalt | 1,600 MB/s | 1,400 MB/s | Amazon |
| Lexar Professional CFexpress Type-B | 1,750 MB/s | 1,000 MB/s | Amazon |
| ProGrade Digital CFexpress Type-B Gold | 1,600 MB/s | 1,000 MB/s | Amazon |
Recommended UHS-II SD memory cards for Canon EOS R5:
| Card | Max. Read Speed | Max. Write Speed | Check Price |
| Sony SF-G Tough UHS-II SDXC | 300 MB/s | 299 MB/s | Amazon |
| SanDisk Extreme PRO UHS-II SDXC | 300 MB/s | 260 MB/s | Amazon |
| Lexar Professional 2000x UHS-II SDXC | 300 MB/s | 260 MB/s | Amazon |
| Hoodman Steel 2000x SDXC UHS-II | 300 MB/s | 260 MB/s | Amazon |
| ProGrade Digital UHS-II SDXC | 300 MB/s | 250 MB/s | Amazon |
| Delkin Devices Power SDXC UHS-II | 300 MB/s | 250 MB/s | Amazon |
| Sony SF-M Tough UHS-II SDXC | 277 MB/s | 150 MB/s | Amazon |
| Lexar Professional 1667x UHS-II SDXC | 250 MB/s | 90 MB/s | Amazon |