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Even better, if you want to blow the mind of even most tech people, show them a high capacity MicroSD card and tell them how many 1's and 0's it can REALLY stor
by ComplexSystems 3y ago
Even better, if you want to blow the mind of even most tech people, show them a high capacity MicroSD card and tell them how many 1's and 0's it can REALLY store.
SD cards are many, many times larger than you think they are - often hundreds of times larger. This is because they use wear leveling to avoid read/writing too much to any one bit.
It is quite possible that this one SD card could have hundreds of TB of storage space on it. I have often wished there were some easy way to access all of this space for situations where you know that you only want to write once to the card - meaning you know you only want to write once. Would be great for storage.
- dannyw 3y agoNo, not hundreds of times larger. Maybe ~5% larger.
- Tenemo 3y agoIt sounded extremely improbable to me, so tried googling and I wasn't able to find anything that would back up such claims. Can you provide a source for the information that MicroSD cards have more than e.g. double total physical capacity?
- fragmede 3y agoNot double, but having extra space than the device is rated for is listed as a wear leveling technique. https://en.wikipedia.org/wiki/Wear_leveling?#Techniques https://en.wikipedia.org/wiki/Wear_leveling?#Techniques