I already had them in a server in my home. Since the next question is always "Why a VM instead of bare metal".
I don't know if there is any impact to performance being in a VM, but that doesn't appear to be the case.
I'm running:
Fans @ 80% since they're in a server
Core +155
Mem +900
TDP 120w
The server they're in eats power 24/7 anyway, so I'm going for maximum coin.
I'm using DSTM v0.5.8
Mining ZenCash
I've had zero stability issues and see a constant rate of 659 Sol/s
GPU0 63C Sol/s: 322.7 Sol/W: 2.74 Avg: 327.9 I/s: 175.7 Sh: 2.04 0.99 130
GPU1 61C Sol/s: 335.4 Sol/W: 2.77 Avg: 331.1 I/s: 177.3 Sh: 2.06 0.99 139
========== Sol/s: 658.0 Sol/W: 2.75 Avg: 659.0 I/s: 353.0 Sh: 4.10 0.99 134
Hope this is helpful.