This server is very quiet and does not suffer with the common fan # 4 noise problem (which some 720s can have). It allows for great capacity and processing 'grunt' when needed and all of the memory slots can have the perfect amount of ram installed. I use Unraid on this machine (Proxmox on another I own) and found cross flashing the H710p a breeze. It has the abilty to have upto 24 drives so I don't have to worry about storage and am using SAS, SATA and a couple of SDDs in it without any obvious performance issues. It also has a 2 slot rear drive bay capacity - but haven't used this as yet.
I really have nothing bad to say about this great server as it exceeds my performance and storage needs.