Lenovo ThinkCentre M73 10B20002US Desktop Computer Intel Core i5 4th Gen i5 4670 3.40 GHz 8 GB DDR3 SDRAM 500 GB HHD Windows 7 Professional 64 bit upgradable to Windows 8 Pro Mini tower Business Black - Office Depot
Amazon.com: Lenovo M73 Tower, Core i5-4570 3.2GHz, 4GB RAM, 500GB Hard Drive, DVDRW, Windows 10 Pro 64bit (Renewed) : Electronics
Lenovo ThinkCentre M73 Small Form Factor Business Desktop Intel Core i5 4th Gen 4570 (3.20 GHz)8GB RAM 1TB HDD Intel HD Graphics, Windows 10 Pro 64-bit, Wifi, Keyboard & Mouse