Sempron 3400+, 512MB, 160GB Acer Aspire T180 Sempron 3400+ System General Features: Microsoft Windows Vista Home Basic pre-installed w/COA AMD Sempron 3400+ processor 512 MB DDR2 RAM (4 GB maximum) 160 GB Serial ATA hard drive DVDRW DL drive No floppy drive 9-in-1 memory card reader Integrated video Integrated audio Integrated IEEE 1394 FireWire Integrated Ethernet