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SanDisk Ultra 128 GB

luisvale said:
I believe that the comparison with the "de facto" standard Industrial SanDisk card is the benchmark. That is why I've included it.

I did not mention on the card benchmark, but the MacBook Pro card reader is attached to the PCI interface so it is as fast as you can get, and the cards performance are really what is being measured.

I got very similar results, with a very fancy USB3 card reader from Sandisk while connected to a Windows PC, copying several videos (4GB each) to and from the internal SSD drive.

Yes, I've left the Anafi recording 4k video for over an hour (landed of course :) )

And regarding 2) I really don't think 100M cards are required....but YMMV
Click to expand...

Sorry not sure I understand. Given that the Anafi is said to write at 100mb/s I would expect that a compatible SD card would need to have write speeds of at least 100mbps...and yet non of the cards (including the "Industrial SanDisk" ) in your benchmark seems capable of writing at 100mbps? So I have to assume that my understanding is not correct.

What am I missing?

Cheers
 
What you are missing is that the Sandisk Extreme 64 Mb micro SD card will work perfectly in the Anafi! Just go fly. ?
 
Jet said:
Sorry not sure I understand. Given that the Anafi is said to write at 100mb/s I would expect that a compatible SD card would need to have write speeds of at least 100mbps...and yet non of the cards (including the "Industrial SanDisk" ) in your benchmark seems capable of writing at 100mbps? So I have to assume that my understanding is not correct.

What am I missing?

Cheers
Click to expand...

Hey.

You are misunderstanding the figure from the camera's data stream as you mix MB/s or MBps (Mega Byte per second) along with Mb/s or Mbps (Mega bits per second). When you read MB/s with the large "B", the number is in bytes (8 BIT) while when you get the speed in Mb/s the speed is 8 times lower than calculated in MB/s. Thus, the write speed of Anafis camera is actually 100 Mb/s / 8 = 12.5 MB/s which all the shown SD cards can deliver. However, you must expect that your SD card must be able to be written to with a factor of 3 for data from the camera, because other data is also written to your SD card at the same time.

When measuring the speed of an SD card, use a modern SD card reader with connection to USB 3.0 or higher, otherwise you cannot always rely on the measured values being fairly correct.

Regards, Leif.
 
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LOL, that it explains it....I do know the diff between MB/s and mb/s....I just didn't look at it carefully enough. Thanks for pointing that out. What I didn't know was the "factor of 3" guideline. It does make sense that your SD card would have to be faster than just the video write bit rate.
Thanks for the tip and explanation.
Cheers
 
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Bits and bytes, bytes and bits......there are probably 4 billion people in the world that still get those two mixed up or type the abbreviations wrong.....like me. :oops:
 
Rocky the FS said:
Bits and bytes, bytes and bits......there are probably 4 billion people in the world that still get those two mixed up or type the abbreviations wrong.....like me. :oops:
Click to expand...
We've all been there.... and for me a kbyte is still 1024 not 1000 :)
 
After a little research (thank you wikipedia) it seems in television and consumer media, 3840 × 2160 (4K UHD) is the dominant 4K standard, whereas the movie projection industry uses 4096 × 2160 (DCI 4K).

Cheers
 
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64, 128, 256, 512, 1024, 4096, 8192....I could recite those numbers in my sleep.....but I never learned to count beyond that. 34,359,738,368 bytes? Not a chance! ;) How about 70,368.744,177,664? :eek:
 
Heh. By the time you are my age your smartphone probably WILL have 40 terabytes of memory. HAL? HAL, can you hear me HAL? Open the pod bay doors please. Pretty please? ACK! ?
 
fabsch said:
Unfortunately, the anafi don't recognized the sandisk 128GB card.

I try without success:
  • Format with "AOMEI Partition Assistant Standard Edition 7.0"
  • Format with "AOMEI Partition Assistant Standard Edition 7.0" one partion in 32 GB (maybe is to much. I need the correct byte count)
  • Format with SD Memory Card Formatter
  • Format with Windows 10 disk utility
  • Format on Mac with SD Memory Card Formatter
  • Step11 (MrGoodCat) For shits and giggles I took the microSD card into the adapter and inserted into the Mac and the disk drive came up and have no problems now. So long story, format to MS-DOS(FAT) on the Mac, power cycle the drone with no microSD card, than insert the card and it might work.
Any ideas?

Update:
Step 11 by MrGoodCat doesn‘t work in my situation
Click to expand...
Good day,
Same issue from my side with a new MicroSD Sandisk Ultra 128GB (under list of verified compatibility).
Formated Fat32, it works like a charm in my Mac, but never recognized with the Anafi. :(
I opened a case at Parrot support, they asked me to reinstall all software (weird) and obviously same issue.
Did you manage to get it work with your Anafi?
thx, yves

*** Update *** I've just found afterward the answer from CTF1414 few notes below
 
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