Beyond variances between NAND type and design, for JEDEC claims
interpretively given unrefreshed SSD memory, within an inoperable
stasis for an least affected, pure state of hypothetical storage, that
data loss is a potential factor within a week;- whereas another and
proposition given a web-based hardware site is one of related
temperature coefficients, such that the lower temperature measure over
storage, than what characteristically a SSD is designed to operate at
upon being written to, is a (presumption the) lower subsequent
inoperable temperature will relate adversely upon expected longevity
of data cohesion (an extensively suppositional if populist allowance
at quite some leeway exceeding a former JEDEC's published reception).

(And apt dated for an observation posted five years ago in a
server-type forum.)