The Canon EOS R6 Mark II features two memory card slots and is compatible with UHS-II SD/SDHC/SDXC cards and also backwards compatible with UHS-I cards.
We have so far tested 23 memory cards in the Canon R6 II to see how they actually perform in-camera. This helps us to provide more real-world advice on which cards to buy rather than just relying on label speeds.
Below you'll find a short summary of our top ten results. We'd recommend visiting our Canon R6 II Memory Card Speed & Buffer Tests blog post if you'd like to view all of our comprehensive results including the time taken for each card to clear the buffer.
Canon R6 II UHS-II SD Memory Card In-Camera Test Summary
| UHS-II SD Card | In-Camera Write Speed * | Max Burst * | Video Rating |
|---|---|---|---|
| 1. Sony SF-G Tough |
178 MB/s |
76 | V90 |
| 2. Hoodman Steel 2000x |
169 MB/s |
76 | V90 |
| 3. Lexar Professional 2000X |
169 MB/s |
76 | V90 |
| 4. Kingston Canvas React Plus |
165 MB/s |
76 | V90 |
| 5. Ritzgear Video Pro | 165 MB/s | 76 | V90 |
| 6. Transcend SD 700S |
164 MB/s |
75 | V90 |
| 7. PNY X-PRO 90 |
163 MB/s |
75 | V90 |
| 8. SanDisk Extreme Pro |
162 MB/s |
76 | V90 |
| 9. Delkin Devices POWER |
161 MB/s |
76 | V90 |
| 10. Exascend Catalyst |
160 MB/s |
76 | V90 |
* When shooting RAW in Hi+ with the Electronic Shutter (40 FPS)
