Pcie 3 was not the bottleneck for SSD. They typically are only 4 pcie lanes, whe... | Hacker News

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		shaklee3 on June 4, 2019 \| parent \| context \| favorite \| on: New Mac Pro Pcie 3 was not the bottleneck for SSD. They typically are only 4 pcie lanes, when they could go up to 16 for 4x the bandwidth.

Tepix on June 4, 2019 [–]

But the standard M.2 NVMe interface happens to only have 4 lanes. PCIe4 will double the available bandwidth for these very common SSDs.

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