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 3 0 x4 slot tl;dr: Has anyone tried an Apple OEM SSUBX SSD in the PCIe x16 Slot 2 of a Mac Pro 3,1 ? Does it negotiate PCIe pcie 40 in 30 slot Fortunately, if you have smaller PCIe cards, they can fit into bigger PCIe slots For example, a PCIe x1 WiFi card can fit into PCIe x4 slots

pcie 40 in 30 slot 2 SATA and PCIe solutions ATP NVMe SSDs are designed for a PCIe x4 interface Size Matters modules come in different sizes and can

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