SSD , NVMe PCIe and NVMe PCIe which one is better

In this video, I tested the PCIe gen 3 slots to see if there is any performance difference when

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pcie cem slot However, performance will be limited to the specifications of the lowest of the two versions Related articles What Are PCIe and ?

pciex1 slot The Gen3 4U Value 10-Slot connects your computer with up to 10 PCIe x16 interfaces through 2 PCIe x16 host connections The system supports up to 8