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PCI-E Gen3 vs PCI-E Gen4
PC Pro
|January 2023
How much difference does a generation make?
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The best M.2 SSDs use the NVMe interface, which runs over PCI Express. The key difference between the drives we’ve reviewed is in the version of PCI Express that they use, with PCI-E Gen3 and PCI-E Gen4 drives on test. You may see the latter described as PCI-E 4.0, PCIe 4.0 or PCI-Express 4.0 as well.
This story is from the January 2023 edition of PC Pro.
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