OPERATING SYSTEMFreeDOS 2.0PROCESSOR FAMILYIntel® Pentium® Gold processorPROCESSORIntel® Pentium® Gold G5400 with Intel® UHD Graphics 610 (3.7 GHz, 2 MB cache, 2 cores)CHIPSETIntel® H370FORM FACTORMicrotowerMEMORY4 GB DDR4-2666 SDRAM (1 X 4 GB) Transfer rates up to 2666 MT/s.MEMORY SLOTS2 DIMMINTERNAL DRIVE500 GB 7200 rpm SATAOPTICAL DRIVEHP 9.5 mm Slim DVD-WriterGRAPHICSIntegrated Intel® UHD Graphics 610I/O PORT LOCATIONFrontPORTS1 headphone/microphone combo; 1 SD 3 card reader; 2 USB 3.1 Gen 1I/O PORT LOCATIONRearEXTERNAL I/O PORTS FOOTNOTE NUMBER[22,25]I/O PORT LOCATIONInternalEXTERNAL I/O PORTS FOOTNOTE NUMBER[23]EXPANSION SLOTS1 PCIe; 1 PCIe x1; 1 PCIe x16; 1 SD media reader; 2 M.2NETWORK INTERFACEIntegrated 10/100/1000M GbEPOWER180 W internal power supply, up to 87% efficiency, active PFC