Have a Sandisk SD card in your EOS R5 II? Certain models may corrupt images

Images: Sandisk / Canon

If you have a Sandisk SD card in your Canon EOS R5 II, you may want to check that it's compatible. Canon recently put out a warning, reported by The Digital Picture, that "certain SanDisk Extreme PRO SDXC UHS-II 64GB, 128GB and 256GB V60 cards" may cause still images taken with the camera to be "recorded as corrupted/abnormal."

The exact model number of the cards will vary by region, but Sandisk's support site lays out which cards are and aren't compatible with the EOS R5 II. The cards in question have a big red "Not Compatible" stamp next to them, so they should be hard to miss. Broadly, though, the affected models are:

• SanDisk Extreme PRO SDXC UHS-II V60 64GB
• SanDisk Extreme PRO SDXC UHS-II V60 128GB
• SanDisk Extreme PRO SDXC UHS-II V60 256GB

If you have an EOS R5 II and use one of these cards with it, your best bet is to switch to something else. Sandisk has an article titled "Steps to Resolve SanDisk Extreme PRO SDXC UHS-II V60 64, 128, and 256GB Still Image Problem with a Canon EOS R5 Mark II," but the resolution section is empty.

Neither Canon nor Sandisk say what makes these specific cards incompatible with the EOS R5 II. It's especially baffling since Sandisk's compatibiltiy list shows other cards in the exact same Extreme PRO SDXC UHS-II V60 line as being compatible – what is it that makes the 256GB incompatible with the EOS R5 II that doesn't affect the 512GB or 1TB version? Why is a 128GB V90 card okay? We've reached out to Sandisk for more information, and will update the article if we hear back.