The best CFexpress cards in 2024: ultra-fast Type B and Type A cards compared

CFexpress is now the memory card format of choice for professional cameras, as the best CFexpress cards are significantly faster than even UHS-II SD cards. Evolving from the XQD card format, CFexpress Type B cards share the same outer design as XQD cards, but pack faster memory inside, making them some of the fastest memory cards available today.

Ben Andrews
Ben Andrews

Ben is the Imaging Labs manager, responsible for all the testing on Digital Camera World and across the entire photography portfolio at Future. Whether he's in the lab testing the sharpness of new lenses, the resolution of the latest image sensors, the zoom range of monster bridge cameras or checking the performance of a laptop, Ben is our go-to guy for technical insight. He's a human encyclopedia of benchmarks when it comes to recommending the best buys. 

Why you can trust Digital Camera World Our expert reviewers spend hours testing and comparing products and services so you can choose the best for you. Find out how we test.

Swipe to scroll horizontally
CFexpress types compared
Header Cell - Column 0 Type AType B
Dimensions:20mm x 28mm x 2.8mm38.5mm x 29.8mm x 3.8mm
PCIe interface:Gen3, 1 laneGen3, 2 lanes
Maximum theoretical performance:1000MB/s2000MB/s
Ben Andrews

Ben is the Imaging Labs manager, responsible for all the testing on Digital Camera World and across the entire photography portfolio at Future. Whether he's in the lab testing the sharpness of new lenses, the resolution of the latest image sensors, the zoom range of monster bridge cameras or even the latest camera phones, Ben is our go-to guy for technical insight. He's also the team's man-at-arms when it comes to camera bags, filters, memory cards, and all manner of camera accessories – his lab is a bit like the Batcave of photography! With years of experience trialling and testing kit, he's a human encyclopedia of benchmarks when it comes to recommending the best buys.