The AS4C64M8D3-12BCN by Alliance Memory is a DDR3 DRAM module designed to meet the memory requirements of a wide range of commercial applications. This DRAM module features a configuration of 64 Megabits x 8, totaling 512 Megabits or 512MG, and operates at a speed of 800MHz. This speed is ideal for applications requiring fast and reliable data processing, such as personal computers, digital media players, and other consumer electronics. As indicated by its 'Commercial Temp' specification, it is built to perform consistently within the standard commercial temperature range. Manufactured by Alliance, a company known for its high-quality memory solutions, the AS4C64M8D3-12BCN represents a balance between performance, reliability, and cost, making it a preferred choice for system designers and engineers.