AMD Sempron™ Processor-based Notebook PCs deliver solid performance and great value, combining processing power, superior graphics and wireless technologies. - HyperTransport™ Technology. - Up to 7.2 GB HyperTransport I/O bandwidth. - Mobile Optimized Memory Controller. - PC2-5300 (DDR2-667), PC2-4200/4300 (DDR2-533) SDRAM unbuffered DIMMs. - Up to 10.7 GB/s memory bandwidth.