Intel® Core™ i5-8400 (2.8 GHz), 16 GB DDR4, 256 GB SSD, Intel UHD Graphics 630, Serial port, No OS installed - Win10P COA, Refurbished - A- Grade Intel® Core™ i5-8400 (2.8 GHz), 16 GB DDR4, 256 GB SSD, Intel UHD Graphics 630, Serial port, No OS installed - Win10P COA, Refurbished - A- Grade