How to determine from command line if NVMe slot is gen 3 or gen 4?

There are some NVMe drives that are designed to fit into a standard PCIe motherboard slot much like a graphics card, but most NVMe drives use

The most common M-keyed M2 slot usually have up to 4 lane PCIe, so in theory it is possible to split them into 2x 2 lane M2 The conversion also

whatsapp slot I do have the option as my motherboard has 4 nvme slots to use another slot but it will use 4x pcie chipset lanes but I know that reduces

what slot machine pays out the most NVMe PCIe x4 and SATA Mode 12 Smart Fan 5 + FAN GIGABYTE's EasyTune™ is a simple and easy-to-use interface that allows users