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PCIe downgraded test (m.2-oculink)

This story is from 2026-09-11. It is preserved in the archive; the latest stories are on the live feed.

My M.2-Oculink should be PCIe 4.0x4, but I found out today it's actually downgrading, frustratingly this isn't obvious until you go looking, so adding here if anyone else wants to check their own rig. Side question - does anyone know a way to measure PCIe bandwidth realtime utilisation (i.e. Gb/s)…

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  1. 2026-09-11 08:08 · r/LocalLLaMA
    PCIe downgraded test (m.2-oculink)

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