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

First of all, I know that a PCIe 4 SSD NVMe will be running at gen 3 speeds and bottlenecked by the PCIe 3 slot But I'm wondering if there are

What does the X4 mean in an PCIe Gen X4 NVME drive? Two types of PCIe slot on an Asus H81M-K motherboard Various slots on a computer motherboard, from top to bottom: PCI Express x4; PCI Express x16; PCI Express

First of all, I know that a PCIe 4 SSD NVMe will be running at gen 3 speeds and bottlenecked by the PCIe 3 slot But I'm wondering if there are

candy village slot png Kinda odd he spent nearly 4 minutes talking about the difference between Gen 3 and Gen 4

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

candy stash slot Because PCIe Gen 4 SSD's will also work in your notebook If you looked at the entire list, they also offer the Crucial P3 model Gen 3 SSD's too, why? I don't

slot that the drive can go in The B550 motherboard Is a half-length PCI Express x8 Gen 3 card compatible with a PCIe x4 Gen3 slot?