slots or slot for C drive?

The deal with vs NVMe vs SSD vs SATA vs AHCI etc m 2 and nvme slot difference In this video, we will take a look at SATA SSD and NVME slot and their differences m2 slot mainboard I recently upgraded with gigabyte NVMe SSD to my core i5 3rd gen, 1155 zeb m 2 slot pc, and I must say, I'm blown away by the performance boost it has brought

m24 slot 2 drives are “keyed” at one end so as to prevent the end-user from inserting them in an incompatible socket PCIe NVMe drives are 'M' keyed SATA ones,