Specs:
740s - Dual Xeon 6130s, 12x32GB per , 6x 1.8TB SAS spinning, 2x SAS SSDs (VSAN cache tier), A hilarious amount of 1GB NICs, A sane amount of 10GB NICs
The 440 is a lot weaker, it only functioned as a host for a virtual data domain and the virtual VSAN witness appliance which isn't a requirement anymore