i5-12th GEN: Intel, 12th Generation, Core i5, i5-12400, 18MB, 6 Cores, Dell OptiPlex 3000 Tower Business | Intel Q670, Free Dos, DDR4, 4GB, SSD M.2, 256GB, Integrated, Intel, Intel UHD Graphics 770, 12 Threads, 3.0GHz to 4.6GHz, Shared Memory, Front: One USB 2.0 port that supports PowerShare One USB 2.0 port One Gen 2 USB 3.2 port A single USB 3.2 Gen 2x2 Type-C® port One universal audio jack Three USB 3.2 Gen 1 ports on the rear One Gen 2 USB 3.2 port Using Smart Power On, two USB 2.0 ports Three ports for DisplayPort 1.4 One line-out/line-in audio port for retasking One Ethernet RJ45 port Dell USB Keyboard + USB Optical Mouse, Giga, NO, One Year