The 20nm 64Gb NAND uses a planar cell structure -- the first in the industry -- to overcome the inherent difficulties that accompany advanced process technology, enabling performance and reliability on par with the previous 25nm generation.

ENGADGET: Intel ships SSD 335 as its first drive with 20nm flash, asks just a little to stay cutting-edge

This process could result in a piecemeal assemblage of potentially incompatible parts of dubious reliability in an untested reactor of questionable technology with no operational track record.

ECONOMIST: Letters