PCIe Gen 4 vs Gen 3 Slots, Speeds

How to determine from command line if NVMe slot is gen 3 or gen 4? nvme pcie 4 0 in 3 0 slot 2 slots where at least one supports PCIe, it's worth considering your secondary slot for an SSD upgrade When combined with an NVMe SSD, PCIe will result in nvme slot PCIe can generally work in PCIe slots, though only at the lower performance level of the older version This means that instead of taking advantage of

nvme 40 in 30 slot i plan on getting a second but my motherboard has 1 slot and 1 slot I currently have a Kingston nv2 1tb so i was wondering