Ultron PC Basic Sempron 145. Processor clock speed: 2.8 GHz, Processor family: AMD Sempron. Internal memory: 1 GB, Internal memory type: DDR3-SDRAM, Memory layout: 1 x 1 GB. Total storage capacity: 500 GB, Hard drive interface: Serial ATA. Optical drive type: DVD-RW. Power supply: 400 W