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<htmLdiv class="toccolours mw-collapsible mw-collapsed"> <detailsdiv style="font-weight:bold;line-height:1.0;"><summary>Q: Does the M.2 interface use the PCI-e or USB interface? What is the max usable transfer rate?</summarydiv><pdiv class="mw-collapsible-content">A: The M.2 interface of X635 use PCI-e interface. The max usable transfer rate is 5Gbps.</p></detailsdiv> </htmldiv>