Can anyone tell me what the maximum size of the micro SD card is for a Brax3?
Richard
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512GB is the maximum listed with the device. I’m using a Lexar 512GB without issues. I wouldn’t buy some crazy fast card unless you are using it in multiple devices or a computer. The bus on the BraX3 is USB2 standard.
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Thanks for the replay
The order has been made
Richard
Does installing a large storage card such as effect the phones performance?
I have not really noticed any notably hit with a larger card vs smaller card. I typically put the largest card (with a decent read/write rating) I can in a device. Now, if you are copying large amounts of data to that card, in a single copy operation, then performance typically drops once the buffers are consumed. But just internal data movement from the BraX3 local storage to the card doesn’t seem limited in any way.
I mentioned above to not spend money on an overly “fast” card, becasue the USB bus is USB2. So your max for copies (say from your PC across a cable, through that port) is only going to achieve about 40-45MB/sec max, regardless of card. I think the internal bus on the BraX3 will achieve about 100MB/sec. So buying a really expensive sd card will not get you anything, from a performance perspective.
sdcard.org is a good site to understand SD Cards and the various markers on them (ie V30, A1,U1, etc etc)
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What is the preferred format, or does the phone take care of that?
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If the card is NEW, place it in the phone and it should usually just work, as they are typically pre-formatted exFat (now days).
If you want to format yourself, with the phone, The phone will format (at least my test 256GB card) exFat. However, because your device is Android (linux), it will support Fat32, exFat, ext3/4 (linux).
note - some would tell yo to always format on the device. This is usually due to occasional issues. Similar to camera manufactures suggesting you format in the camera. I, personally, have not had issues using my card, when formated on my linux box. BUT… if you do have an issue, the first step would be to format on the device, and see if the issue resolves.
If you plan on swapping between, say a Windows and Mac, Fat32 or exFat would be preferred. If you use linux exclusively, you can make it ext3/4 (or the others). You would do that on you linux box first, then just pop it in.
With today’s devices, I would choose exFat. It has additional features, and works with larger capacity cards, and is the more modern of Fat32.
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