Lenovo ThinkCentre M70t, Intel Core i5 10400, 4GB DDR4 2666 (Up to 128GB Support), 1TB HDD, No OS, 9.0mm DVD±RW, 2W Speakers, USB Traditional Keyboard & Calliope Mouse, Black, 1 Year Warranty, Front Ports: Two USB 3.2 Gen 1, Two USB 3.2 Gen 2, One USB-C 3.2 Gen 1, One headphone / microphone combo jack (3.5mm), One microphone (3.5mm), One 3-in-1 Card Reader, Rear Ports: Four USB 2.0, One HDMI, One DisplayPort, One Serial (9-pin), One Ethernet (RJ-45), One line-in (3.5mm), One Parallel