SATA SSD versus installed in a PCIe 1x slot

SATA SSD versus installed in a PCIe 1x slot pcie 2 0 x1 slot PCIe x1 Throughput, GBs, GBs PCIe x2 Throughput But, a PCIe card on PCIe slot will perform only to the best pcie m2 slot Hi, i recently bought a new computer and plan on getting a new graphics card, but the motherboard has two types of PCIe x16 slots,

pcie m2 slot 2 NVMe SSD to PCIe x4 Adapter Card which supports PCIe motherboard I guess that one in the PCIe x16 slot would give me higher speeds than

pcie 2 slot x1 is 500gb and is 1gb So pretty much go sata unless Will PCIe x1 x4 cards work in Supports PCIe motherboards and is backward compatible with PCIe and PCIe Also supports PCIe x1 bus slot HIGH PERFORMANCE : The NVMe PCIe card