... SDRAM 1333MHzSlot4 DiMMHDD320GB 7200RPM SATAOptical16 X DVDRWGraphicsIntegratedChipsetIntel GMA X4500 HDScreen19 inch LED widescreenNetwork card1000MbpsPort10×USB2.0, 2XPS/2,earphone output, MAC ... input, VGA,RJ45,power,19 built in 1 reader,Power100V-240V 250W self adaption alternating ...