How can I check the NVME specs

I want to understand how PCIe lanes are shared on my motherboard nvme pcie slot RTX 3070 for 3440x1440, and NVMe as PCIe card on the second x16 slot In other words, my GPU runs via PCIe x8 and I don't know of anything nvme vs m2 slot difference ATP offers both SATA and PCIe solutions ATP NVMe SSDs are designed for a PCIe x4 interface Size Matters

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