Acer Altos G320, 3 GHz, 0.5 GB, DDR2-SDRAM, DVD-ROM, 400 W, Tower Acer Altos G320. Processor family: Intel® Pentium® 4, Processor frequency: 3 GHz. Internal memory: 0.5 GB, Internal memory type: DDR2-SDRAM. Optical drive type: DVD-ROM. Power supply: 400 W. Chassis type: Tower