https://www.bestpeek.com/us/pd/lenovo-thinkcentre-m91p-4524-tower-core/619547
Lenovo ThinkCentre M91p 4524 - Tower - Core i5 2500 / 3.3 GHz - vPro - RAM 2 GB - HDD 320 GB - DVD SuperMulti - HD Graphics 2000 - GigE - Win 7 Pro 64-bit - monitor: none - business black