pretty reasonably priced IMO
Delkin Device out with 1.3TB BLACK Type B memory card
- Thread starter Kemble Widmer
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pretty reasonably priced IMO
foxysport
Active member
What is the minimal sustained speed? I cannot see it mentioned.
John Navitsky
Well-known member
but note that's above the max theoretical for cfe-b v2.0, so that means it's a cfe-b v4.0 number. it's likely the v2.0 number is about half that which, oddly, would be slower than their old card.
i guess someone needs to actually test it in a cfe-b v2.0 context with a pci to cfe-b adapter
foxysport
Active member
I stand corrected, it is in the details section: "In addition, this card features sustained write speeds of 2150 MB/s".
foxysport
Active member
Purchased it in the UK now to complement my ProGrade Cobalt with equivalent specs 
. Thanks for the heads-up!
Oddly though, my own copy of ProGrade Cobalt purchased almost at the time it was released, has 2800 MB/s shown on the card but the latest versions as sold now also have 2100 MB/s (seems like the rating has been downgraded). Still, if these numbers reflect real-time sustained write speed, we should be well prepared even for the next gen cameras.
. Thanks for the heads-up!Oddly though, my own copy of ProGrade Cobalt purchased almost at the time it was released, has 2800 MB/s shown on the card but the latest versions as sold now also have 2100 MB/s (seems like the rating has been downgraded). Still, if these numbers reflect real-time sustained write speed, we should be well prepared even for the next gen cameras.
John Navitsky
Well-known member
it’s possible that under those speeds (2800) the card starts to thermally throttle.
it’s unclear to me the cfe-b spec really deals with thermal design for high speed use
it’s unclear to me the cfe-b spec really deals with thermal design for high speed use
ajrmd
Well-known member
Yes, I used to think that way though it will be likely several years before I upgrade from the Z8 (which can only take V2 and max'es out well below that), so I've stopped laying out insane $ for memory which I can't take advantage of. The 1.3 retails for $849 or $0.65/MB whereas the slower, albeit high quality cards like the ProGrade Golds are less than 1/2 of that.Purchased it in the UK now to complement my ProGrade Cobalt with equivalent specs
Oddly though, my own copy of ProGrade Cobalt purchased almost at the time it was released, has 2800 MB/s shown on the card but the latest versions as sold now also have 2100 MB/s (seems like the rating has been downgraded). Still, if these numbers reflect real-time sustained write speed, we should be well prepared even for the next gen cameras.
If you read through the different sizes on the cards advertised above the cheapest unit only does 820 mb sustained speed.
We need as I recall about 1300-1400 to keep up with the z8/9 for rapid fire photographs. Video requires 800 something.
We need as I recall about 1300-1400 to keep up with the z8/9 for rapid fire photographs. Video requires 800 something.
Calson
Well-known member
I bought two of the Delkin Power 2TB cards and paid $500 for them. I tested the first one I received at 20 fps and Raw capture and with 4K 60p video and had no problems.
I discovered that there was not support from Nikon for the external Atomos Ninja for video at this rate (only with Canon cameras) and so decided to go with internal CFexpress cards for Z9 videos.
John Navitsky
Well-known member
yah, the lack of support on the atomos for higher res / frame rates is disappointing
i can understand it on the v and v+, but they introduced the new one without adding support which is…
i’m guessing the primary issue is the storage speed, but they could have put an nvme drive in it, or even cfe
i can understand it on the v and v+, but they introduced the new one without adding support which is…
i’m guessing the primary issue is the storage speed, but they could have put an nvme drive in it, or even cfe
Calson
Well-known member
According to the people at Atomos the Canon people worked with them and those from Nikon and Sony did not. Canon is pushing their 5R C camera for video use and so their product management people have had a different mindset in the past.
John Navitsky
Well-known member
afaik, there's not a lot to work with about. they simply don't support those res/frame-rates, and that's really just supporting the various modes via hdmi
Calson
Well-known member
Canon cameras do support 8K output to the Atomos Ninja + but not Nikon cameras do not. The problem is with the implementation of the HDMI connection with the Z9. At this point in time I am using internal CFexpress cards for 8K recordings.
On the B& H Q and A page for the new 1.3 TB Delkin Black 4.0 CFexpress Type B memory card, I asked “How does the minimum sustained write speed on this card compare to the Delkin Black type B 650GB card in a Z8?” And Delkin responded “The two cards will perform very similarly and be limited by the max speeds of the Z8.” can’t speak to download speed.
foxysport
Active member
It is truly only about future-proofing and, if anything, potentially better reliability.