Delkin's monster 2TB CFexpress card is bigger than your computer’s hard drive!

Delkin 2TB CFexpress card
(Image credit: Delkin Devices)

CFexpress is the up and coming new memory card format for high-end camera and video gear, boasting not just the high data transfer speeds demanded by professionals, but seriously impressive storage capacity too – but this is something else!

The CFexpress format is used by the Canon EOS-1D X Mark III and upcoming Canon EOS R5 model, by Nikon in the Nikon Z 6 and Z 7 and the new Nikon D6, and by Panasonic in its full frame mirrorless Lumix S1 and Lumix S1R models.

There are 512GB CFexpress cards on sale already, and memory card maker ProGrade has announced a 1TB card, but the new 2TB Delkin card is the biggest yet. In fact, it is the highest capacity memory card ever, of any format!

The Delkin CFexpress family

Delkin already makes a range of CFexpress memory cards in its Power range, from a 128GB card right up to the brand new 2TB option. 

The 128GB card has a read/write speed of 1600/600 MB/s maximum, but the rest, from 256GB capacity upwards are much faster, at 1730/1430 MB/s maximum, so there’s no speed penalty for the higher-capacity cards.

As a result, the new CFexpress card offers both capacity and speed. It uses a 3rd generation PCI Express interface and NVM Express support to offer the performance needed for cinema-quality video capture, and not just at 4K but 6K and 8K too, and at high frame rates and bitrates. 

Price and availability

This performance will obviously come at a price and we are waiting for confirmation of this and the new card’s availability. Currently, the Delkin CFexpress Power 1TB card costs around $890, with the 512GB version at around $500.

So we’d guess that this new Delkin 2TB CFexpress card won’t just have a bigger capacity than your computer’s hard drive, it will probably cost more than your computer too.

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Rod Lawton

Rod is an independent photography journalist and editor, and a long-standing Digital Camera World contributor, having previously worked as DCW's Group Reviews editor. Before that he has been technique editor on N-Photo, Head of Testing for the photography division and Camera Channel editor on TechRadar, as well as contributing to many other publications. He has been writing about photography technique, photo editing and digital cameras since they first appeared, and before that began his career writing about film photography. He has used and reviewed practically every interchangeable lens camera launched in the past 20 years, from entry-level DSLRs to medium format cameras, together with lenses, tripods, gimbals, light meters, camera bags and more. Rod has his own camera gear blog at but also writes about photo-editing applications and techniques at