Moving to drastic new hardware

Hi guys I hope the issue is pretty simple to deal with and this post is an attempt to just confirm the changes I plan to make. On the current unraid box, I currently have a Asrock Rack D1541 server motherboard 32GB RAM. Quadro p600, and a 4 port Intel Nic for VMs so each VM gets its own IP address. I have 10 HDDs connected with the built in SAS and additional SATA ports along with 2 NVME drives. I run a bunch of VMs and dockers and I am seriously killing the system with th

Thanks for all your help. I have looked at the HBA card that you recommended and it seems to be expensive on its own. The expanders are 4 times the price also. This is going to be an expensive set up. Here is what I think I need now, please correct me if I am not correct. Modern HBA card compatible with Unraid with consistent firmware updates 16 ports to start with and option to use expander in the future 6GBPS (12GPBS are too expensive) External expansio