Should I install NVMe ssd in socket or in PCIe slot using

pcie nvme slot   Dan pcie x1 slot function

Dual 221102280 PCIe NVMe SSD expansion card ; Bracket, Low-profile Low-profile flat and Full-height brackets are also included

One of my colleagues asked me about “Bifurcation” when it came in a discussion about running multiple NVMe drives from a single PCIe slot  If you're someone in need of a clever PCIe x16 adapter to add more quick storage into your system easily, this PCIe x16 Enclosure

thors lightning slot 2 connector is a miniaturised x4 PCIe slot All devices are x4 or less lanes PCIe devices Don't matter if the adapter PCB physically fits a is a slot that can interface with SATA , PCI Express