Redefine versatility and flexibility expand your capabilities with hprsquos z640 workstation offering powerful performance whisper quiet computing and tool less access in compact design power up experience massive workstation power with support for 145w processors powering up to 36 cores in a dual intelreg xeonreg processor configuration3 the hp z640 workstation uses z dna to provide a high end workstation experience versatility redefined build the perfect worksta