Memory: DDR4 2 Slots (up to 32 GB)Standard in Australia 4GBStorage device(s)In Australia Standard with 128 GB SSD, can also be purchased with a 500 GB SATA HDD (Special Order) or larger SSD DrivesDisplay15" LED Backlight LCD DisplayResolution1024 x 768Tilt AngleN/ATouch PanelTrue Flat PCAP Touch (Standard in Australia)Optional; 5 Wire Resistive touch (Special Order, MOQ Applies)USB I/FI/O Ports4 x RS-232 Ports (3 x DB9, 1 x RJ45) with 5V/12V BIOS selectable6 x Standard USB Ports1 x 10/100/1000Mb Ethernet Port. Half/Full duplex capability1 x HDMI Port1 x DP Port1 x Cash Drawer Port (Controls 2 drawers with optional Y-cable) 12/24V selectableOptional Extension Ports:Type A; 4 x USB PortType B: 2 x RS232 Ports (1 x DB9, 1 x RJ45)Type C: 1 x Parallel portAudioInternal Speaker 2WOS SupportPOSReady 7 / WIN 8.1 Industry Retail / WIN 10 IoT EnterpriseEnvironmental SealingIP55 to FrontOperating Environment0 ~ +40 °C, 20 ~ 85% RH with SSDStorage Environment-20 ~ +60 °C, 10 ~ 85% RHPower SupplyDC 12V/5AExternal Dimensions (WxDxH)355 x 215 x 432 mmWeight5.35 Kg