Lenovo ThinkCentre M820z 10SC - All-in-one - with UltraFlex III Stand - 1 x Core i3 8100 / 3.6 GHz - RAM 4 GB - HDD 500 GB - DVD-Writer - UHD Graphics 630 - GigE - WLAN: 802.11a/b/g/n/ac/ Bluetooth 4.2 - Win 10 Pro 64-bit - monitor: LED 21.5 1920 x 1080 (