When did slots become commonplace? And NVME slots?

In this video I will show you how to install an NVMe SSD into a computer that does not have an

Eight NVMe SSD slots on a PCIe x16 card Silent operation Add your own ultra-fast SSDs for Mac, Windows, and Linux

m2 sata vs nvme slot Eight NVMe SSD slots on a PCIe x16 card Silent operation Add your own ultra-fast SSDs for Mac, Windows, and Linux

m24 slot PCI-Express Gen4x4 supported NVMe SSD Storage space View of the expansion slot with the M2 SSD inserted diagonally into the PS5 console