This document discusses various computer hardware components and how they affect system performance, including memory configuration and channel types, hard disk RPM and density, CPU clock speeds and brands, motherboard and power supply quality, and graphics cards. It provides examples of high-end 2009 components like the Intel Core i7 975 Extreme CPU costing $999 and NVIDIA GTX 295 graphics card offering over 50 times more processing power for similar prices. In summary, the document examines how different hardware specifications influence a computer's overall speed and processing capabilities.