supply of all in one desk top computerall in one desk top computer, supply of all in one desktop or pc ( processor make-intel, no.of cores per processor-4 or higher, processor generation-9 or higher, processor -intel i5 or more, processor base frequency- 2.9ghz or higher, os-windows 10 professional loaded, ram size-8gb or more, type of ram- ddr4, ram speed- 2666 or more ( mhz ) , ram expandability-32gb, graphics integrated, hdd capacity- 1000gb@7200 rpm, internal speakers, audio- in, audio-out, microphone in, optical drive, wireless connectivity-802.11b / g / n or 802 / 11ac, bluetooth 4.2 or higher, ethernet port-1 with 10 / 100 / 1000 on board integrated port, hdmi port-1, usb port-6 nos, display- 21.5 inches, display resolution- 1920x1080 pixels, webcam integrated with display, wired keyboard & mouse, with warranty-3 years equivalent to make of hp / dell / lenovo / acer. [ warranty period: 36 months after the date of delivery ]