Seeking recommendation for a Lab Server to host a HomeLab.

I am looking to build a homelab for networking and programming study.

OS: EXSI 6.0

OVA: ASR9kv, CSR1000v, ASAv, F5, N9Kv,

OS: Ubuntu, Centos

Host: 14-CSR, 4-ASRs, 2-ASAv, 2-F5, 2-Centos, 1-Ubuntu.

I was looking at a HP Z620 Workstation E5-2680 2.7ghz 8-Core / 1TB / 64GB / Quadro 600 / Win10 Pro.

https://www.ebay.com/itm/HP-Z620-Workstation-E5-2680-2-7ghz-8-Core-1TB-64GB-Quadro-600-Win10-Pro/372613839127?epid=21027050774&hash=item56c183f917:g:FEwAAOSwNydcdu4S