CFX4-B and CFX4-B PRO series CFexpress media enable rich dynamic range of 8K RAW continuous shooting for high-end DSLR, mirrorless and video cameras like a walk in the park. Operated in PCIe Gen 4 x2 interface, the cards provide blazing speeds more than 6 times faster than the best XQD memory media.

DESIGNED BY PROFESSIONALS, FOR PROFESSIONALS
We know the strenuous demands required for working professionals in the field. We got you covered.

MAX SPEEDS OF UP TO 3700 MB/S READ
AND 3600 MB/S WRITE
Burst speed for read and write are more than 6 times faster than the best XQD media, leveraging the maximum performance of the camera.

BUILT FOR 8K PRO PHOTO & VIDEO
Captures detailed, high-definition frames without drop off in performance as the capacity gets used by steady sustained write speed.

NON-STOP RECORDING TIME
The large capacities up to 4TB provide ample space for RAW footage. Creators are able to store more content non-stop in harsh and unforgiving environments.

ULTIMATE DURABILITY
Wise CFexpress Type B cards are protected against moisture, dust, X-ray, magnets and shock.