Dan Ritter <d...@randomstring.org> wrote: > Stefan Monnier wrote: > > >> That is a SATA SSD, not an NVMe. > > > Interesting, thanks. Apparently either it was misrepresented to me, or I > > > misremembered. That explains some stuff. > > > > The switch from SATA to the NVMe interface/protocol happened basically > > at the same time as the switch from the 2.5" (and mini-pcie) to the M.2 > > format, so it's a common mistake to consider that for an SSD, "M.2 => > > NVMe" (the implication is currently true in the other direction, tho, > > AFAIK). > > Not at all. We have many servers with U.2 and U.3 format disks, > which look like classic 2.5" SSDs but use NVMe PCIe connections. > > I suspect there are few desktops (mostly 'workstation' class > machines) and no laptops using U.2. > As I understand it the slots in the M2 SSD connector can tell whether it's SATA or NVMe or both. I have an M2 SSD which I believe will work either with a SATA connection or with NVMe, and it has two slots in its connector.
-- Chris Green ยท
