Best Canon EOS M100 SD Memory Card

By Nathaniel Stephan
Last Updated: January 21, 2021
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Best Canon EOS M SD Memory Cards

The Canon EOS M100 has a single SD card slot that is compatible with UHS-I. The camera can use SD memory cards up to 2TB in capacity.

If you want to be able to shoot video make sure to get an SD card that has fast write speeds. Slower cards will not be able to write data fast enough to keep up with the high bit rate required to record video in full HD.

To make sure you get the best performance when taking pictures in continuous shooting mode, recording video, or transferring files, it is very important to buy an SD card that is compatible with the UHS-I interface. All of the fastest SD cards for the Canon M100 will have UHS-I.

This is my recommendation for the best SD memory card for the Canon M100:

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.
  • Speed Class 10, UHS-I Class 3, & V30.
  • Temperature Proof, Water Proof, Shock Proof, and X-ray Proof.

Best SD Memory Cards

To make sure all features of the Canon M100 function properly you want to get a fast UHS-I card. If the card is unable to maintain the write speed required for full HD video recording, you will not be able to use that feature on the camera.

If the SD card is really slow, burst shooting, high frame rates, and high-quality video will not be available for full HD video recording.

Fast UHS-I cards also offer the benefit of having fast transfer speed which is important if you are transferring gigabytes of RAW images or video files. RAW photos make dealing with bright sunlight, dim light, or tricky light as well as having exceptional image quality because of the increased dynamic range.

Recommended SD Cards

To get the best price when you purchase one of the recommended SD memory cards it is a good idea to compare options from different manufacturers. A change in the availability of SDXC memory cards, especially SanDisk Extreme Pro, can cause large price differences for cards that have similar performance in all but the most extreme use cases.

Avoid the cheapest gear even if you're on a very tight budget and that includes memory cards. A common issue with cheap options is that they are more likely to have a memory card error. This can result in the card data being corrupted, making it difficult to recover.

If you want to save some money, get a smaller-sized card. That way you get a card with a UHS-I interface which means you'll get a fast read speed and the write speeds good enough for use in other digital cameras.

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.
  • UHS-I Class 3 and V30.
  • Includes Lexar Recovery Tool Software.
  • Designed for durability in harsh conditions.
PNY Elite Performance SDXC 128GB Memory Card

PNY Elite Performance 128GB SDXC Card

  • Lower priced card.
  • Transfer speeds up to 95 MB/s.
  • UHS-I Class 3.
  • Magnet Proof, Shock Proof, Temperature Proof, Waterproof.
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.
  • UHS-I Class 3 and V30.

Memory Card Reader

UGreen 4-in-1 Card Reader
There's a bright blue LED that bothered me. It is now covered in gaff tape.

The UGreen 4-in-1 memory card reader can use four memory card formats. These include all the memory cards for Canon cameras except the latest professional-level cameras.

The UGREEN memory card reader has an USB 3.0 connection. The USB 3.0 transfer speeds will be faster transfer speeds than the Canon EOS M100 can reach transferring files with the USB mode.

There are lots of favorable customer reviews for the UGREEN reader, which I agree with. I would recommend it because the card reader has been compatible with all the computers (Windows, Mac, and Linux) I have used with it.

The cable stops a card from sticking out of a memory card slot and then blocking other accessories in a nearby computer port.

A reader with a USB type C connection would be a better choice if you want to use it with a phone or other mobile device.

When I searched for a card reader that would be lighter for travel, I needed to send a couple of orders back. I came across the most frequent problem mentioned in customer reviews, the card readers did not work with my computer.

The UGREEN reader can use the following:

  • CompactFlash Cards
  • SD, SDHC, & SDXC Cards (UHS-I supported)
  • Memory Stick (MS), MS Pro, MS PRO-HG, & MS XC DUO
  • MicroSD, Micro SDHC, & Micro SDXC Cards

Canon EOS M100 SD Card Compatibility

  • 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. (Not compatible with the Canon EOS M100)

Check to be sure that your Canon EOS M100 is using the latest firmware. You can download the firmware from Canon USA.

Do not buy expensive UHS-II cards due to their advertised fast speeds. UHS-II memory cards are not supported by the Canon EOS M100. The advertised maximum write speeds of the UHS-II cards will not be reached.

You can only use an SD, SDHC, or SDXC card in the Canon M100. The newest SDUC cards (Secure Digital Ultra Capacity), are not compatible with the Canon EOS M100.

Image Capacity

Canon EOS SD Memory Card Contacts

The Canon M100 has a 24.2 megapixel CMOS APS-C sensor. The image quality setting will determine how large image file sizes are and by extension how many images you can store.

If you're intending to shoot lots of images in Canon's RAW file format, it can be smart to get a larger capacity card. The movie recording limit of 9 minutes and 59 seconds gives you the opportunity to switch between two SD cards.

If you shoot JPEGs, you would be much better off getting another LP-E12 battery instead of paying for a larger capacity. 32GB is smaller than the recommended best SD memory cards, but it will still be enough for most people's memory card usage requirements for several days of shooting photos or video.

The controlling part to the number of images you can capture will be your camera batteries. Take into account that, any time the Canon M100 is turned on, even if you are just navigating through menu settings or using the live view, that will lower the battery life.

For low light conditions, like at night or indoors, the flash built-in to the camera can be useful. Without the flash, shutter speeds will not be fast enough to avoid motion blur. Working with the built-in flash is going to rapidly deplete the camera batteries. These environments are when you'll need to own at the very least two Canon LP-E12 rechargeable batteries for the Canon EOS M100.

The following is an approximation of the number of high-quality JPG images you will be able to save:

  • 32GB - 9,280
  • 64GB - 18,560
  • 128GB - 37,120
  • 256GB - 74,240

Speed, Class, & UHS Ratings

Card Speed Ratings

Speed ratings are determined by the sequential read and write transfer speeds of the card. Card speed is very important for maintaining burst shooting speeds as well as advanced video features and video snapshot.

Slows cards can prevent fast burst shooting due to the max write speed not being fast enough to clear the camera's image buffer, which bottlenecks the image processor. The result will be the Canon EOS M100 capturing fewer photos than it is capable of.

Maximum read speeds are important for being able to review images, adjust color temperature, and apply creative filters allowing the compact, social media-savvy camera to bring you some more social media followers.

Speed Class

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

A Speed Class rating is determined by meeting thresholds for sustained write speed. Fast speeds are important to make sure that HD video recording is able to be recorded.

This rating system is largely irrelevant due to faster UHS-I speeds being needed to meet the minimum requirements for 4k video.

Memory cards for Canon mirrorless cameras should be class 10 to ensure RAW and burst photography work as expected. To determine the rating, look for a number inside of a C on the front label.

  • Class 2 - 2MB/s
  • Class 4 - 4MB/s
  • Class 6 - 6MB/s
  • Class 10 - 10MB/s or faster

UHS Speed Class

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 bus (UHS) is found in SDUC, SDXC, and SDHC cards. UHS memory cards to achieve faster write speeds. There are three different specifications.

You can find out the rating SD memory cards by reading the front of the card. A Roman numeral I, II, or III is used on the label to designate what level of UHS support compatible devices will need.

  • UHS-I Cards - Maximum transfer rate of 104 MB/s
  • UHS-II Cards - Maximum transfer rate of 312 MB/s
  • UHS-III Cards - Maximum transfer rate of 624 MB/s

Video Speed Class

Video Speed Class is indicated by the number next to a capital V on an SD memory card label. This rating guarantees minimum write speeds in MB/sec equal to the number, similar to how Speed Class is indicated with a C.

Video classes include V6, V10, V30, V60, V90. The best SD cards for the Canon EOS M100 will be V30. That's because V60 and V90 are limited to cards with UHS-II and UHS-III.

Related Mirrorless Cameras

Recommended memory cards for Canon EOS M cameras are almost always the same with a UHS-I SDXC card being the best choice. They also all can use interchangeable lenses that are compatible with the Canon EF-M lens mount. To use older Canon EF-S and EF SLR lenses the Canon EF-EOS M adapter can be used.

Listed here are more posts on cameras related to the Canon EOS M100:

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