Lenovo ThinkCentre M93z 10AF - All-in-one - 1 x Core i5 4570S / 2.9 GHz - RAM 4 GB - HDD 500 GB - DVD-Writer - HD Graphics 4600 - GigE - Windows 7 Pro 64-bit - vPro - Monitor : LED 23&quot; 1920 x 1080 ( F