A memory card speed comparison between all the most popular UHS-I and UHS-II memory cards in the Canon T6i.
Use this guide to help you find the best memory cards for your style of shooting.
Camera Specs
Sensor: APS-C 24.2MP / Processor: Digic 6
SD Memory Card Type: UHS-I
5fps – continuous shooting
Canon T6i – Amazon / Adorama / BHphoto
Best SD Memory Card – Canon T6i / 750D
USB 3.0 read and write speeds are determined using Crystal Disk on Windows 10.
| SD Memory Cards | USB 3.0 Read | USB 3.0 Write | Canon T6i Write | See Price |
| UHS-II | ||||
| Sandisk Extreme Pro U3 64GB | 257.3 MB/s | 109.9 MB/s | 62.21 MB/s | Amazon / Adorama |
| Transcend U3 64GB | 290.2 MB/s | 182.1 MB/s | 59.68 MB/s | Amazon |
| Lexar 2000x U3 64GB | 280.9 MB/s | 181.4 MB/s | 57.03 MB/s | Amazon / Adorama |
| Delkin UHS-II U3 32GB | 245.1 MB/s | 164.6 MB/s | 54.70 MB/s | Amazon |
| Toshiba U3 64GB | 238.5 MB/s | 199.7 MB/s | 54.37 MB/s | Amazon |
| Lexar 1000x U3 64GB | 145.0 MB/s | 60.7 MB/s | 49.24 MB/s | Amazon / Adorama |
| UHS-I | ||||
| Samsung Pro 64GB Class U1 | 86.8 MB/s | 77.2 MB/s | 64.80 MB/s | Amazon / Adorama |
| Sandisk Extreme Pro 64GB U3 | 89.0 MB/s | 84.7 MB/s | 63.88 MB/s | Amazon / Adorama |
| Kingston 64GB Class U3 | 88.1 MB/s | 74.3 MB/s | 59.58 MB/s | Amazon / Adorama |
| PNY 64GB U1 | 86.1 MB/s | 54.5 MB/s | 58.80 MB/s | Amazon |
| Sony 64GB U3 | 87.2 MB/s | 71.9 MB/s | 55.66 MB/s | Amazon |
| Sandisk Extreme Plus 64GB U3 | 88.9 MB/s | 62.0 MB/s | 53.09 MB/s | Amazon / Adorama |
| PNY 64GB U3 | 87.9 MB/s | 61.6 MB/s | 51.57 MB/s | Amazon / Adorama |
| Lexar 600x 64GB U1 | 85.6 MB/s | 60.1 MB/s | 49.57 MB/s | Amazon / Adorama |
| Transcend 64GB U3 | 87.7 MB/s | 64.1 MB/s | 48.41 MB/s | Amazon / Adorama |
| Lexar 633x 64GB U3 | 85.6 MB/s | 61.2 MB/s | 46.92 MB/s | Amazon / Adorama |
| Sandisk Extreme 64GB U3 | 71.3 MB/s | 52.1 MB/s | 43.76 MB/s | Amazon / Adorama |
| Samsung 64GB SDXC EVO U1 | 43.9 MB/s | 22.7 MB/s | 24.15 MB/s | Amazon / Adorama |
It looks like the Samsung 64GB U1 card is the best SD memory card for the Canon T6i. You can also never go wrong with the Sandisk Extreme cards, but the Samsung cards are often less expensive. Kingston and PNY also make some nice cards and you might want to grab some when you see them on sale.
Keep in mind, various cards will give slight performance differences with each production run and each time I test a card I get slightly different results. This is why I take an average of three tests but I only test one card per type. So use this chart as a general guide when choosing a memory card for your camera.
Usually Sandisk cards do perform the best and are the most consistent across camera brands.
Best UHS-II Memory Card
Sandisk Extreme Pro 64GB UHS-II – Amazon / Adorama
Transcend 64GB UHS-II – Amazon
Best UHS-I Memory Cards
Sandisk Extreme Pro U3 64GB – Amazon / Adorama
Samsung Pro U1 64GB – Amazon / Adorama
Kingston U3 64GB – Amazon / Adorama
Best Memory Card Reader
If you want the best USB 3.0 Memory card reader that supports UHS-II, check out the following comparison:
The fastest is the Lexar SR2 – Amazon
Should You Use UHS-II Memory Cards For The Canon T6i?
You will gain no benefit to using UHS-II in camera since the camera does not have UHS-II capabilities. However, if you want faster write times from your card to your computer, UHS-II is the way to go.
Best SD Memory Cards For The Canon T6i Conclusions
The fastest UHS-I cards will run you at about 64.80MB/s, this is pretty fast for UHS-I. Sony cameras are only capable of 32MB/s, but they usually have a larger buffer.
If you already own some slower memory cards and you don’t do a lot of burst shooting, then you might not notice the difference if you upgrade to something a few MB/s faster. However, if burst shooting is your thing, then you should probably buy the fastest card you can in order to save yourself from wait times as the buffer clears.
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