The IBM 1814-4202 is a high-capacity, high-speed Disk Drive Module tailored for the DS5020 storage array. With 450GB of storage and a spindle speed of 15,000 RPM, it is geared toward performance-intensive applications, delivering quick access to data. This DDM uses a 4 Gbps Fibre Channel interface, facilitating fast data transfer rates essential in environments that demand high throughput and low latency, such as high-transaction databases and real-time processing applications. The combination of its capacity and speed makes the 1814-4202 an excellent choice for expanding the DS5020's capabilities, offering enterprises the ability to handle larger volumes of data at high speeds. This DDM's performance characteristics ensure that it can support the rigorous demands of modern data-driven businesses, enabling enhanced efficiency and operational effectiveness.