Tag Archives: sustained write

Less than two weeks ago, we posted a report on the ProGrade Digital 1TB 1700 Gold and 325GB 1700 Cobalt CFexpress B Cards, along with their Thunderbolt 3 CFexpress Card Reader. We were so impressed we just had to do it again.  Admittedly, we were floored by the Cobalt 1700 speeds while maintaining anything but what could be considered the …

Some time ago, we posted our review on the newest storage media to hit the consumer as of late, the Lexar Professional 256GB CFexpress Type B Card.  At 1750MB/s read and 1000MB/s write, this storage media is pretty much the fastest there is for its size. It comes with a limited lifetime warranty, and at the time of our review, …

If there is anything we have discovered with the release of the Canon EOS R5 camera in the past two months, its the need for fast CFexpress Type B cards at a low temperature.  Our first two reviews of CFexpress Type B looked at the Lexar Professional and SanDisk Extreme Pro CFexpressB cards, both of which are “Canon R5 approved”. …