upgraded ram is upgraded to 8 gb ddr 4 high-bandwidth ram to smoothly run multiple applications and browser tabs all at once, hard drive is upgraded to 256 gb solid state drive to allow faster bootup and data transfer. original seal is opened for upgrade only. if the computer has modifications (listed above), then the manufacturer box is opened for it to be d and inspected and to install the upgrades to achieve the specifications as advertisedprocessor intel celeron n4020 1.1ghz dual-core processor (4mb cache, up to 2.8ghz)display 15.6-inch hd (1366 x 768) anti-glare led-backlit non-touch narrow border displayoperating system windows 10 home 64-bitproduct dimensions: ?36.4 x 24.89 x 1.98 cm, 1.77 kilogramsproduct description: capacity:8gb ram , 256gb ssdthe manufacturer box will be opened by our engineers for customizing and testing. defects & blemishes are significantly reduced by our in depth inspection & testing. processor: intel celeron n4020 1.1ghz dual-core processor (4mb cache, up to 2.8ghz), ultra-low-voltage platform. four-way processing provides maximum high-efficiency power to go. graphics: intel uhd graphics 600 with shared video memory provide solid image quality for internet use, movies, basic photo editing and casual gaming. operating system: windows 10 home 64-bit memory: 8 gb ddr4 sdram hard drive: 256 gb solid state drive optical drive: no display: 15.6-inch hd (1366 x 768) anti-glare led-backlit non-touch narrow border display touchscreen: no connectivity: 802.11ac 1x1 wifi and bluetooth audio: high definition audio, 2.0 stereo speakers, realtek alc3204 with waves maxxaudio pro, 2 w x 2 = 4 w total keyboard: us english