Gateway MX7515 PC Notebook Computer AMD Athlon 64-bit 4000+ Processor (1MB L2 Cache, 2.6GHz, HyperTransport Technology for Up to 1600MHz System Bus) ATI Mobility Radeon X600 with 128MB HyperMemory video memory (total of local and shared memory) 15.4 inch Widescreen Ultrabright TFT WXGA LCD 1024MB of PC2700 DDR SODIMM RAM (expandable to 2GB) AC '97 2.3 Compliant Audio with built-in speakers