Manitobahunter
lvl.4
Canada
Offline
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Rustic 17, the advantage of having an sd card in the drone, is a big increase in storage capacity. From what I can see of the RC2's 32 gig storage, about half of that gets taken up by operating systems, and the rest likely gets divided up between various caches, for things like videos, screenshots, screen recordings, etc. Think of a cache as a certain amount of storage, allotted to a certain thing, like screenshots for example.
At any rate, unless you download and constantly delete the files off the RC2's internal storage, you'll run out of space pretty fast.
I put a 256 gig Sandisk extreme pro card in both my drone and RC2. It's more storage than I need, but 256 gig and up cards tend to have a faster write speed, 140 MB/s in the case of the extreme pro cards, which is plenty fast for the Mini 4 nd RC2. Honestly the 128 gig cards work fine as well, though they a have a slower write speed at 90 MB's.
The only other advantage I see in my using an SD card for storage in the RC2 is I am able to format it frequently, and avoid slower write speeds due to fragmentation. I'm not aware of any way to format the internal storage space.
What I do is after each flying session, I take the card out of the drone and put it in a card reader, I plug it into my PC and copy the files from the card into a new folder on my PC. I them eject the card from the PC, and put the card back in the drone. Then I take the RC2, power it up and plug it into my PC with a USB cable. The PC will read the controllers storage just like any drive, and I then transfer any screen recordings and screen shots into the folder on my PC, and then eject the RC2 from the PC, and remove the USB cable from the RC2. I then power up the drone and once it connects to the RC2, I use the controller to format the card on the drone, and then I format the card on my controller. I also clear my flight logs and cache, and this way I start every flying session with a clean slate and everything gets organized on the fly in my PC.
It's worth noting that if you have a card in the RC2 and have it mounted and setup, (regardless of whether you use it or the internal storage), when you pull down the menu from the top of the screen, an option called explore will appear in the pane on the left side of the pulldown thats a nice shortcut to all your files.
If you have files on the internal storage and change to using the sd card, the RC2 will ask if you want to migrate them to the card.
I'm not sure why anyone would want to have the drone switch from using an sd card to using drone storage. I'd either just buy a big enough sd card, or keep a spare as I do. I think I paid $25 each on sale for my two 256 gig cards, so not a big expense. A fast write speed on a micro SD card is anything over 90 MB/s, with 130 or 140 being the best bang for your buck cards.
Keep in mind that on the RC2, you're storing 1080P files at best, so 256 gigs is a lot of storage space, where as on the drone, 4K60 files will eat up storage space much faster.
Hope that is more helpful than confusing. If you have questions about what I wrote, just ask
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