Available Memory Slot1ColorBlackDisplay15.6"Hard Drive500GBKeyboard & MouseWiredMemoryDDR4 4GNetworking10/100/1000MbpsOperating SystemsWin 10 HomeOptical DriveNo ODDPower Supply"45W AC Adapter Output: 19V DC, 2.37A, 45W Input: 100~240V AV, 50/60Hz universal"ProcessorIntel® Celeron™ N4000 Processor, 1.1GHz (4M Cache, up to 2.6 GHz)Rear Ports"1x HDMI out 1x Power Input 1x LAN 2x USB 3.1 Gen 1 2x COM port 1x VGA-out"Side Ports"1 x Headphone 1 x Microphone 1 x 6-in-1 carder reader 1 x Kensington lock slot 2 x USB 3.1 Gen 1"Total Memory Slot1Touch ScreenMulti TouchVESA MountNOVideo GraphicsIntegratedWarranty2YrWIFI802.11ac+Bluetooth 4.1 (Dual band) 1*1