Hardware requirements

Hi, can you somedody helpme, I´m installing a new asterisk server and i not really sure of the hardware requirement to meet the following:
30 Digital trunks in a E1
46 Analog Trunk, Yes 46 Analog trunks (thats because the customer needs). Im integrating a Digital E1 Sangoma Card with Echo Cancellation and other Sangoma Card A400 with 48 FXO ports. I´ll have 180 extensions with voice mail, ivr, conference root, etc.
Any suggestion for the hardware needed?