Lenovo ThinkCentre M72z (3548F7U) Intel Core i5 4GB DDR3 500GB HDD 20" Windows 7 Professional 64-bit - Newegg.com
APA005 54Y8892 03T9022 150W For Lenovo ThinkCentre M71Z M72Z M73Z Power Supply - 365PowerSupply.com - Replacement Laptop Power Adapters,Desktop Power Supply & Server Workstation PSU.