Tag Archives: Canon EOS R5

Lexar has recently released their Professional Diamond Series CFExpress Type B Memory Card and they believe this card is the ‘worlds fastest’ CFExpress card to date. Specifications list speeds of 1900MB/s read, 1700MB/s write and 1600MB/s sustained write and, if these numbers pan out, this would be an industry leading storage device.  As much as we appreciate these numbers, we …

Sustained write disk performance is not advertised with most CFexpress Type B cards today and, in fact, it is not common whatsoever in the flash industry.  As much as it is not spoken of, consumer SSDs, SD cards, compact flash cards, and even the latest CFexpress cards, are marketed and sold according to their ‘peak’ read and write data transfer …