The Definitive Guide toAI Data Centers
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Guide › Glossary › PCIe

PCIe · Peripheral Component Interconnect Express

The standard high-speed bus connecting CPUs, GPUs, NICs and storage inside a server.

Current numbers

~28.4 / 21.9 GB/sSamsung PM1763 PCIe 6.0 enterprise SSD, in mass production from July 2026: vendor-rated sequential read/write, 16 TB modelas of 2026-07 · register ↗
~2.9 PBWiwynn SCADA showcase server (Computex 2026, GPU-initiated I/O), raw capacity of up to 96 liquid-cooled PCIe 6.0 E3.S drivesas of 2026-06 · register ↗
~28 / 14 GB/sMicron 9650 (first mass-production PCIe 6.0 x4 enterprise SSD; E1.S and E3.S; ~5.5M IOPS), vendor-rated sequential read/writeas of 2026-02 · register ↗

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