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Hassan Mujtaba on Twitter: "The top end Supermicro SuperO C9Z390 PGW motherboard comes with a PLX chip for extra PCIe lanes. Currently testin it out with the latest Bios rev. Good stuff.
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PCIe 3.0 Controller Card 16X for 4 SSD M.2 NVMe M Key Chipset PLX PEX 8747-32GB for each SSD 128G in total.: Amazon.de: Computer & Accessories
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Supermicro C9Z490-PGW Conclusion - Supermicro C9Z490-PGW Motherboard Review: Comet Lake with 32 CPU PCIe Lanes
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PLX PC19054-AC50PI Interface IC 32Bit Master Chip (lot of 2) - Electronic Components, Integrated Circuits and Op Amps - BMI Surplus
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