Lenovo PC ThinkCentre M79

Dell PC AIO Inspiron 3280, 21.5″ FHD (1920×1080) AG with Wide Viewing Angle, Intel Core i3-8145U (4MB Cache, up to 3.9 GHz), 4GB(1x4GB) DDR4 2666Mhz, 1TB 5400rpm HDD, Integrated Graphics, No DVD, Wireless, BT, kbd/mouse, Ubuntu Linux 18.04, Black, 3Y

HP PC 290G2 MT + V214a 20.7in Monitor , Intel Core i3-8100 (3.6Ghz, 6MB), 4GB DDR4 2666, 500GB 7200 rpm HDD, DVD+/-RW, Integrated Intel HD Graphics, KB+Mouse, FreeDOS, 1Y.