Proxmox Best Practices - Guest CPU Types

Context Every time I build a VM on the Proxmox cluster I hit the same menu, and for a while I overthought it. The Processor dropdown offers host, a stack of x86-64-vN types, a long list of named models like Broadwell-noTSX-IBRS or EPYC-Milan, and whatever custom models I have defined. Most guides frame the choice as stability versus performance, and that framing is exactly the part I had wrong in my head at first. ...

May 4, 2026 · 15 min · 2986 words · Nate