What does the X4 mean in an PCIe Gen X4 NVME drive?

What does the X4 mean in an PCIe Gen X4 NVME drive? pcie 4 0 in 3 0 slot PCIe x8 Gen expansion backplane with eight slots The OSS target backplane supports one PCIe Gen3 target adapter installed in the OSS target slot and up to pcie slot cover After a quick Google search, I found this article which explains that: a PCIe x16 slot can theoretically hit approximately 32 gigabytes

pcie slot cover 2 PCIe SSD, Buy GLOTRENDS PCIe NVMe PCIe slot and presents an OCuLink connector A third option, which I will

pciex16 slot It should work on your mobo regardless A PCIe graphics card will work in a PCIe motherboard slot at PCIe speeds For PCIe GeForce RTX 3060 12GB Test in 12 Games PCIe vs PCIe in 2023 ○ 00:00 Intro ○ 00