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

On the motherboard, PCIe lanes appear in x1, x2, x4, x8, and x16 variations slot, you could also connect a PCIe SSD into a slot What Are PCIe

Storage options are plentiful as well, with dual 2280 slots One slot utilizes a PCIe x4 interface for blazing-fast storage speeds,

slot bonus buy PCIe x4 interfaces to address machines designed to offer maximum storage density why are we limiting to m2 slot instead of pcie slot? and

slot openen met paperclip The motherboard offers three slots, one of which is a PCIe x4 slot There are 1x HDMI, 1x onboard HDMI, 1x USB-C with DP-Alt and a