Lenovo Ideacentre 520 (Core i3 - 6th Gen / 4 GB / 1 TB HDD / 54.61 cm (21.5 Inch) / Wireless Keyboard & Mouse / DOS) F0D5004WIN , All-In-One (Black) vs Lenovo Ideacentre 520 (Core i3 - 6th Gen / 4 GB / 1 TB HDD / 54.61 cm (21.5 Inch) / Wireless Keyboard & Mouse / DOS) F0D5004WIN , All-In-One (Black)