<div dir="ltr">So my guess is right, X series platform is liked E5 series platform, only different customer target.<div>X series got some same features as E5, only difference is some server features.</div><div><br></div><div>Also, it seems like unRAID's virtualization is based on KVM+VFIO? I saw a lot of setting likely virt-manager.</div></div><div class="gmail_extra"><br><div class="gmail_quote">2015-10-23 10:30 GMT+08:00 Alex Williamson <span dir="ltr"><<a href="mailto:alex.l.williamson@gmail.com" target="_blank">alex.l.williamson@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><span class=""><div class="gmail_extra"><div class="gmail_quote">On Thu, Oct 22, 2015 at 8:16 PM, Alex Williamson <span dir="ltr"><<a href="mailto:alex.l.williamson@gmail.com" target="_blank">alex.l.williamson@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><br>Ok, so you have an Ivy Bridge E and it's also in that High End Desktop Processor group, seems to be a trend. So maybe we do have a real alternative to Xeon E5. Keep the reports coming, pastebin lspci and iommu groups so others can know what to expect. Thanks.</div> </blockquote></div><br></div></span><div class="gmail_extra">Another data point, Jon pointed me to this video of unRAID being used to setup a dual VM GPU gaming box (<a href="https://youtu.be/LuJYMCbIbPk" target="_blank">https://youtu.be/LuJYMCbIbPk</a>). They used a 5960X processor, which is another one listed as a Haswell E, High End Desktop processor. The iommu group listing shows that the root ports are in separate groups and the narration indicates that they did not have to use a workaround, which I imagine would have been the ACS override.</div><div class="gmail_extra"><br></div><div class="gmail_extra">So we have 5960X, 5820K, and 4820K all as apparently viable alternatives to Xeon E5.</div></div> </blockquote></div><br></div>