Lexar’s new Diamond Sequence CFexpress Kind B playing cards are available in 128GB, 256GB capacities: Digital Pictures Assessment


Longsys, the mother or father firm of storage model Lexar, has introduced its new Lexar Diamond Sequence CFexpress Kind B reminiscence playing cards. These new playing cards provide switch speeds as much as 1,900MB/s, making them a number of the quickest CFexpress playing cards available on the market.

In response to Longsys, these playing cards provide most learn and write speeds of 1,900MB/s and 1,700MB/s, respectively, in addition to sustained write speeds of 1,600MB/s, making them greater than quick sufficient for the VPG 400 certification they’ve obtained. As is normally the case although, it’s unlikely you’ll hit these switch charges along with your typical setup, contemplating the testing tools utilized by producers is usually top-tier tools performed in very managed environments.

Fortunately, PetaPixel has gone hands-on with the brand new Lexar Diamond Sequence CFexpress Kind B playing cards to see how they carry out in real-world utilization in comparison with different CFexpress playing cards available on the market.¹ In PetaPixel’s check, the playing cards averaged peak write and browse speeds of 833MB/s and 794.5MB/s, respectively. Whereas a far cry from the claimed peak speeds, that’s nonetheless quicker than each different CFexpress Kind B card PetaPixel has examined, other than Sony’s Powerful CFexpress Kind B playing cards.

Lexar’s Diamond Sequence fell brief in sustained efficiency, measuring roughly 500MB/s, however in burst photograph efficiency, PetaPixel observed a dramatic efficiency enhance over its contemporaries. Particularly, PetaPixel mentioned the Lexar Diamond card was in a position to write pictures taken on a Canon R5’s highest burst photograph pace for ‘simply over 30 seconds,’ which is a large soar from the second-place finisher, which was the Delkin Gadgets Black Sequence playing cards that topped out simply shy of 20 seconds earlier than hitting the buffer.

Lexar Diamond Sequence CFexpress Kind B reminiscence playing cards can be found in 128GB and 256GB capacities for $220 and $380, respectively.

¹You can learn PetaPixel’s real-world testing strategies right here.


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