Sandisk has said 200gb currently is the physical limit of mSD cards (that's why there is no 256gb), and unless something radically changes (which they may be able to work out) 200gb is it for the near future.
Yeah it seems like we were stuck on 200gb for quite a while. Wonder how long the next development will take. Must be pushing the upper limits with current technology
Yeah it seems like we were stuck on 200gb for quite a while. Wonder how long the next development will take. Must be pushing the upper limits with current technology
That's what I mean. The articles I've read made it seem like 256gb was quite a ways off, if possible at all with current methods. I'd like to read more on the Samsung solution to the issue.
At present, solid state memory density increases are going vertical. When the 200 GB Sandisk micro SD card came out, Sandisk achieved that density by increasing chip layers from 16 to 25, increasing the capacity from 128 GB to 200 GB. Samsung has a higher density stacking technology called 3D V-NAND which further increase layers to 32 for a total of 256 GB. Sandisk and Toshiba claim to be working on a 48 layer this year called "BiCS" so theoretically we should see a 384 GB micro SD card in the near future, but not a jump to 512 GB. A major limiting factor is keeping costs down to consumer levels.
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