ProGrade’s new 320GB, 640GB CFast 2.0 cards are its fastest yet, but still fall short to CFexpress

The CFast 2.

0 might be all but dead, but ProGrade is determined to keep the format evolving for those few cameras that still use the large memory cards. .

ProGrade has announced its new 320GB and 640GB CFast 2. 0 Cobalt memory cards, which offer read and write speeds up to 550MB/s and 520MB/s, respectively.

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