Best Canon 6D Memory Cards

By Nathaniel Stephan
Last Updated: October 28, 2019
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Best Canon 6D Memory Cards

The Canon 6D is compatible with SDHC, and SD memory cards. The camera can't take advantage of a UHS-I card, but it will future proof you for a camera upgrade.

SD cards that can be used with the 6D include any SD card with a capacity of up to 2TB. Keep in mind that older cards will be slower, which may reduce the camera's performance.

Just want a compatible card? Here's my recommendation for the best memory card:

SanDisk 64GB Extreme Pro memory card

16 GB or 32 GB cards are inexpensive and large enough for photos.

64GB or larger cards are a better choice for video.

Best SD Cards

SanDisk, Lexar, and PNY are manufacturers that make the best Memory cards. The best memory cards I have owned have been the SanDisk Extreme Pro memory cards.

You do not need to buy a card made by SanDisk for your Canon 6D. Make sure the name is cool. That will mean you get fast transfer speeds, water resistance, and more professional features.

I have not run into problems with Lexar Professional or PNY Elite Performance cards.

When I have encountered problems with memory cards has been when I have used low priced generic brands. Not having a brand name increases the chance of card errors or data corruption.

If you are looking to spend less money, don't buy a generic card. You will avoid problems by purchasing a high-quality card with a reduced storage capacity.

Recommended SD Cards

SanDisk Extreme Pro 128GB UHS-I SD Card

SanDisk Extreme Pro 128GB SD Card

  • Best value for the money.
  • Capacities from 32 GB to 2TB.
  • Transfer speeds up to 170 MB/s.
  • Class 10 & UHS-I
  • Temperature Proof, Water Proof, Shock Proof, and X-ray Proof.
PNY Elite Performance SDXC 128GB Memory Card

PNY Elite Performance 128GB SDXC Card

  • Lower priced card.
  • Transfer speeds up to 95 MB/s.
  • Class 10 & UHS-I.
  • Magnet Proof, Shock Proof, Temperature Proof, Waterproof.
Lexar Professional 1066X 128GB SD UHS-I Memory Card

Lexar Professional 1066x 128GB SDXC UHS-I Card

  • Lexar Professional Silver Card.
  • Transfer speeds up to 160 MB/s.
  • Class 10 & UHS-I.
  • Includes Lexar Recovery Tool Software.
  • Designed for durability in harsh conditions.

Canon Rebel 6D SD Card Compatibility

SDXC, SDHC, and SD cards are compatible with the Canon 6D.

Four different specifications of Secure Digital (SD) cards have been made. New card specs add features that provide for greater storage capacity and increased read/write speeds.

  • Secure Digital (SD) - 128MB to 2GB.
  • Secure Digital High Capacity (SDHC) - 4GB to 32GB.
  • Secure Digital eXtended Capacity (SDXC) - 64GB to 2TB.
  • Secure Digital Ultra Capacity (SDUC) - 4TB to 128TB.

Image Capacity

Here is an estimation of how many large JPEGs you can expect to fit on a card:

  • 4GB - 1,160 images
  • 8GB - 2,320 images
  • 16GB - 4,640 images
  • 32GB - 9,280 images

Speed, Class, & UHS Ratings

Card Speed

The speed rating of an SD card is based on sequential write and read speeds. The speed of a card is important for continuous shooting and video.

Slows memory cards can reduce the number of continuous photos the Canon 6D can take. This is because the camera's buffer will not be able to write to the SD card quickly enough.

When shooting video, a slow card can cause a sudden end to shooting. The video file could also end up being corrupted. If you intend to capture video, it is critical the SD card you use meets the required minimum 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 read speed will reduce the transfer time.

Speed Class Rating

Example of where to find SD Card Speed Class
The 10 inside of the C means the card is Class 10.

The Class rating of an SD card is based on the sustained write speed. SD cards that have a write speed of at least 10MB/s are labeled 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 name-brand SD card that you can get will have a Class 10 rating. To determine the class rating of an SD card, find a number inside of a C on the label.

Ultra High Speed (UHS)

Example of an SD memory card with a UHS-I rating.
The UHS rating of a card can be determined by a Roman numeral I, II, or III on the label of the card.

The Ultra High Speed (UHS) bus can be found in SDXC And SDHC cards. UHS allows cards to achieve faster transfer rates.

There are 3 different specs. They are UHS-I, UHS-II, and UHS-III.

Look at the label to figure out the rating of a card. If the SD card has UHS a roman numeral I, II, or III will be on the label.

  • 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

Now that you what specs the camera needs you can see why the SanDisk 64GB Extreme Pro is the best Canon 6D memory card. This will also help you find an SD card for your future cameras.

Here are more pages on cameras related to the 6D:

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