NVMe vs vs SATA vs PCIe: What are these SSDs?

m 2 sata slot   Dan m2 sata vs nvme slot

2 slot on the OptiPlex 3050 supports only PCIe M Resolution The drive must use the PCIe bus instead of SATA when installing an SSD hard

Yet there are 5 SATA ports in the bios…and the M2 stick is showing up in that 5th port That much makes sense to me The 'problem' is supports multiple storage and non-storage use cases and is therefore more of a form factor and connector specification for computers SATA,

bonsai banzai slot The specification provides up to four PCI Express lanes and one logical SATA port, and exposes them through the same connector so There are two types of SSDs: SATA and NVMe SATA uses an older interface with one designed around hard drives while NVMe is designed for flash memory