Is the new CFexpress 4.0 standard supported by Canon R5?

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johnny78 New Member • Posts: 3
Is the new CFexpress 4.0 standard supported by Canon R5?

Hello,

The new Prograde Gold cards based on the CFexpress 4.0 standard (https://shop.progradedigital.com/products/prograde-digital-cfexpress%E2%84%A2-type-b-4-0-memory-card-gold) are cheap and much faster than any other CFexpress cards.

But is the CFexpress 4.0 standard yet fully supported on certain Canon cameras including Canon R5? Could it be supported at a later date with a firmware update?

Otherwise I imagine it is backwards compatible with CFexpress 2.0 but what would the sustainable write speeds be? Has anybody tested yet?

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Canon EOS R5
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