When the Intel 80386-33 came out we thought it was the pinnacle of CPUs, running our Novell servers! We now had a justification to switch from arcnet to token ring. Our servers could push things way faster!
Then, in the middle 1991, the AMD 80386-40 CPU came out. Mind completely blown! We ordered some (I think) Twinhead motherboards. They were so fast we could only use Hercules mono cards in them; all other video cards were fried. 16Mb token ring was out, so some of my clients moved to it with the fantastic CPU.
I have seen some closet-servers running Novell NetWare 3.14 (?) with that AMD CPU in the late '90s. There was a QUIC tape & tape drive in the machine that was never changed for maybe a decade? The machine never went down (or properly backed up).