Best Canon 6D MKII SD Memory Card

SD, SDHC, and SDXC memory cards will work with Canon 6D MKII. An SD card with fast enough write speeds is critical for video and continuous shooting.
An inadequate SD memory card can spoil the overall performance of your camera.
If you’re in a hurry, here’s the best SD memory card you can buy for the Canon 6D MKII:

- UHS-I, U1, and Class 10 Speed Rating. Can sustain 10MB/s write speeds.
- Excellent choice for photos.
- Capable of recording Full HD (1920x1080) Video.
- Inexpensive with more than good enough performance.
- Larger capacities are available for a reasonable price.
Best SD Cards
Memory cards are now substantially less expensive than at the time the camera was originally sold.
Seeing as how cheap the price range are, it will not make financial sense to spend money on anything besides a professional-quality SD memory card.
SanDisk Extreme Pro, Lexar Professional, and PNY Elite Performance cards have great performance and build quality. I have under no circumstances endured a card failure or unusable data with any of those cards.
Every single hassle I have dealt with has been because of generic unbranded SD memory cards. Hoping to save a small amount of money isn’t worth it if your 6D MKII is likely to have issues.
A savvy way to spend less money is to get a smaller capacity card from a high-quality company. Because of this, you’ll know your shots are safe on the card.
Recommended SD Cards

- UHS-I, U1, and Class 10 Speed Rating. Can sustain 10MB/s write speeds.
- Excellent choice for photos.
- Capable of recording Full HD (1920x1080) Video.
- Inexpensive with more than good enough performance.
- Larger capacities are available for a reasonable price.

- UHS-I, U3, V30, and Class 10 Speed Rating. Can sustain 30MB/s write speeds.
- Good for burst shooting photos and recording 4K video.
- Larger capacity cards are available.
- Reliable & Durable: Magnet Proof, Shock Proof, Temperature Proof, Waterproof.

- Comparatively expensive for faster read speeds.
- UHS-I, U3, V30, and Class 10 Speed Rating. Can sustain 30MB/s write speeds.
- Only makes sense for professional use or if you need the largest storage capacity available.
- Temperature-proof, waterproof, shock-proof, and X-ray-proof.
Canon 6D MKII SD Card Compatibility
Only use SDXC, SDHC, and SD memory cards with the Canon 6D MKII. Check to be certain that your camera has the most recent firmware installed.
The newest SDUC (Secure Digital Ultra Capacity) cards, can not be used in the 6D MKII.
You should be aware of the four different types of Secure Digital (SD) cards that there are. They are split up by their capactiy.
- SD (Secure Digital) - 128MB to 2GB.
- SDHC (Secure Digital High Capacity) - 4GB to 32GB.
- SDXC (Secure Digital eXtended Capacity) - 64GB to 2TB.
- SDUC (Secure Digital Ultra Capacity) - 4TB to 128TB.
Image Capacity

Listed below is a quick approximation of the total number of high-quality JPEGs photographs you can be expecting to save on a card:
- 16GB - 4,640 images
- 32GB - 9,280 images
- 64GB - 18,560 images
- 128GB - 37,120 images
Speed, Class, & UHS Ratings
Card Speed
The speed rating of an SD memory card is based on the continuous write and read speeds of the card. Memory card continuous write speed is critical for continuous shooting as well as video.
A slow card can cause a decrease in the number of continuous images the Canon 6D MKII can take. This is because the buffer in the camera is not able to write data to the card quickly enough.
With video, a slow card can cause recording to stop. The video file may also end up being corrupted. If you are going to shoot video, it is crucial the memory card you use meets the required continuous write speed for video.
Read speed is important for transferring files to a computer. If you are filling up cards with images or video, a memory card with a fast transfer speed will decrease the transfer time.
Speed Class Rating

The sustained write speed of an SD card is the criteria for the Class rating. Memory cards that have a minimum write speed of at least 10MB/s are rated as Class 10.
- Class 2 - 2MB/s
- Class 4 - 4MB/s
- Class 6 - 6MB/s
- Class 8 - 8MB/s
- Class 10 - 10MB/s or faster
Every brand-name SD memory card that you can get today will be rated Class 10. To check the class rating of a SD card, try to find a number inside of a C on the label.
Ultra High Speed (UHS)

The Ultra High Speed (UHS) bus is built into SDHC, SDXC, and SDUC memory cards. UHS cards to have faster read and write speeds.
Three separate versions have been specified. They are called UHS-I, UHS-II, and UHS-III.
To figure out the UHS rating of a SD card, look at the front of the card. If there is a Roman numeral I, II, or III on the front of the SD card, that is going to be the rating of the card.
- UHS-I - Maximum transfer rate of 104 MB/s
- UHS-II - Maximum transfer rate of 312 MB/s
- UHS-III - Maximum transfer rate of 624 MB/s
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