Longsys, the guardian firm of storage model Lexar, has introduced its new Lexar Diamond Collection CFexpress Kind B reminiscence playing cards. These new playing cards supply switch speeds as much as 1,900MB/s, making them among the quickest CFexpress playing cards in the marketplace.
In accordance with Longsys, these playing cards supply 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 acquired. As is normally the case although, it’s unlikely you’ll hit these switch charges along with your typical setup, contemplating the testing gear utilized by producers is usually top-tier gear accomplished in very managed environments.
Fortunately, PetaPixel has gone hands-on with the brand new Lexar Diamond Collection CFexpress Kind B playing cards to see how they carry out in real-world utilization in comparison with different CFexpress playing cards in the marketplace.¹ In PetaPixel’s take a look at, the playing cards averaged peak write and skim speeds of 833MB/s and 794.5MB/s, respectively. Whereas a far cry from the claimed peak speeds, that’s nonetheless sooner than each different CFexpress Kind B card PetaPixel has examined, except for Sony’s Robust CFexpress Kind B playing cards.
Lexar’s Diamond Collection fell quick in sustained efficiency, measuring roughly 500MB/s, however in burst photograph efficiency, PetaPixel seen a dramatic efficiency improve over its contemporaries. Particularly, PetaPixel mentioned the Lexar Diamond card was capable of write photographs taken on a Canon R5’s highest burst photograph pace for ‘simply over 30 seconds,’ which is an enormous leap from the second-place finisher, which was the Delkin Units Black Collection playing cards that topped out simply shy of 20 seconds earlier than hitting the buffer.
Lexar Diamond Collection 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.