vs PCIe vs SATA SSDs: What's the Difference?

In this video I discuss the difference between an SSD and a NVME PCI-Ex4 SSD From how

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nvme slot vs m2 2 slot doesn't guarantee NVMe compatibility was designed to support USB , SATA, and PCIe, and most early slots supported only SATA

nvme gen 4 in gen 3 slot Find out which SSDs can be used to expand your PlayStation®5 console storage space, and how to insert an SSD into the expansion slot