Memory bandwidth refers to the rate at which data can be read from or written to a computer's memory by the CPU or other components. It is typically measured in gigabytes per second (GB/s) and is crucial for determining how quickly a system can process information. Higher memory bandwidth allows for faster data transfer, which can improve overall system performance, especially in tasks that require large amounts of data. Factors that influence memory bandwidth include the type of memory technology used, such as DDR4 or DDR5, and the number of memory channels available. Systems with multiple channels can access more data simultaneously, enhancing bandwidth. Understanding memory bandwidth is essential for optimizing computing performance in applications like gaming, video editing, and scientific simulations.