MLC (<a href="http:&#x2F;&#x2F;searchsolidstatestorage.techtarget.com&#x2F;definition&#x2F;multi-level-cell-MLC" rel="nofollow">http:&#x2F;&#x2F;searchsolidstatestorage.techtarget.com&#x2F;definition&#x2F;mul...</a>, <a href="http:&#x2F;&#x2F;birchtree.me&#x2F;blog&#x2F;nand-flash-party&#x2F;" rel="nofollow">http:&#x2F;&#x2F;birchtree.me&#x2F;blog&#x2F;nand-flash-party&#x2F;</a>), which is used quite a bit in consumer flash, is base n&gt;2.<p>Those links claim devices use n=4, 8, 16,... but apart from practicalities, I don&#x27;t see a reason why n=3, 4, 5,... wouldn&#x27;t work.<p>Also, these devices may get produced in power of two sizes units, but they all use error-correcting codes that turn their effective size in something non-power of two.