Tag Archives: sustained write

Lexar Professional Diamond CFExpress Card Review

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 …

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ProGrade Digital 165GB Cobalt CFExpress Type B Card Review

I get asked quite often what I prefer with respect to storage cards in my camera equipment.  I try to stay away from exact brands and move the conversation into what I believe are necessary characteristics of the cards that I will put in my digital equipment.  Three things stand out.   I want storage that has high sustained write speeds …

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Acer CFE100 512GB CFExpress Type B Memory Card Review

To say that CFExpress Type B cards haven’t redefined digital media in the past two years would be an understatement.  Many enjoy their advantages in moving large photo and video files from the card to PC for work in a fraction of the time that it used to take, but more importantly, its what CFExpress B cards do inside the …

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Sabrent Rocket CFX CFExpress Type B Memory Card and Reader Review (512GB/1TB)

Without a doubt, the toughest lesson learned on release of the Canon EOS R5 Mirrorless camera was that of storage and this relatively new thing called sustained write performance.  Countless people purchased these cameras, along with first generation CFExpress Type B cards that had not been approved by Canon.  They quickly learned that features that should be available within their …

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Lexar Professional 512GB CFexpress Type B Card Review (512GB)

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, …

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Delkin Devices 64GB, 128GB ands 256GB Power and Prime CFexpress Type B Cards Reviewed – Great Sustained Speeds at Low Temps

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”. …

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