I recently ended up with an external m2 drive enclosure. I don't really have an m2 drive for it but if I were to want to get a 1tb backup, that could in theory hold all my photos (for the time being).
At CES earlier this year, M.2 and PCIe was definitely among the major talking points for SSD technology. Every SSD manufacturer had something to say and almost everyone had something to show as well.
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