supply and installation of desktop computers , desktop computer processor ( intel core i 3 , 8th gen ) i3-8100 , 6mb cache , 3 . 60 ghz; supports windows 10 / linux 11 . chipset intel h370 chipset . motherboard oem motherboard with oem logo embossed on the motherboard ( no sticker ) . memory 4gb 1x4gb ddr4 2400 mhz , expandable to 32gb . hard disk drive 3 . 5 1tb 7200rpm sata hard disk drive . optical drive not required . graphics intel uhd graphics 630 . audio high definition integrated audio with internal speaker . ethernet / communication integrated gigabit ( 10 / 100 / 1000 nic ) lan , 802 . 11bgn or better wireless connectivity . ports front i / o: - ( 2 ) usb 3 . 1 gen 1ports , 1 headphone connector , 1 universal audio jack . rear i / o: - ( 4 ) usb ports with at least 2 usb 3 . 1 gen 1 , ( 1 ) vga video port; ( 1 ) display port , ( 1 ) rj-45 network connector . form factor tower type . power supply standard 260w psu . keyboard usb 104 keys keyboard ( same make as pc ) . mouse usb 2 button optical scroll mouse ( same make as pc ) . operating system dos , ubuntu linux 18 . 04 lts 64 bit . monitor compliance and certification energy star 6 . 1 or above , tco 6 . 0 certified monitor , rohs certified , eco label , epeat silver or above . information accessibility product details , specifications and brochure to be available in public domain . support warranty: 5 years onsite warranty