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CFExpress slot not compatible with 1TB cards?

Dear all,

I noticed that the CFExpress slot has no problem accessing 512GB cards, but 1 TB cards do not work.

I am using a Mac Studio M1. The 512GB card works fine, but the 1TB version does not even show up in the MacOs Disc Utility. I can access the 1 TB card with a separate card reader without a problem on the same computer. Any thoughts?

Grtz, Huib

15 comments

15 Comments

Jim Sullivan

Feb 22, 2024

I have the same problem with my 1TB cfexpress card via the Trebleet mac mini TB dock. Card reads well on camera. SSD and miniSSD card reader works well on dock. Please advise.

Jim Sullivan

Mar 20, 2024

Replying to

Thank you, received the Cfexpress reader today and find that it works perfectly with my 1 TB cfexpress card. The design of this reader is innovative and does not require a cord. Read/write speed is quite acceptable. Good work, and thanks again!