HP All In One ProOne 400 G2

Processor: Intel Core i3-6100 ( 3.7GHz , 3MB Cache)
Operating System: Dos
Memory: 4GB DDR4 2133P
Hard Drive: 500GB SATA (7200rpm)
Optical Drive: DVD RW
Graphic: Intel HD Graphics 530
Display: 20″ Inch HD+ Resolution (1600×900)
HP USB Keyboard and Mouse