The PM1633a Enterprise Capacity solid-state drives (SSDs) from Lenovo provide high-performance, reliable storage solutions for high-capacity enterprise applications. Designed for dense storage and with a 12 Gb SAS interface, these drives feature all the capacity and performance that is needed to replace large numbers of 15K rpm and 10K rpm spinning disks, and consolidate storage into tightly packed server configurations. This product guide provides essential presales information to understand the PM1633a Enterprise Capacity 12Gb SAS SSD offerings and their key features, specifications, and compatibility. This guide is intended for technical specialists, sales specialists, sales engineers, IT architects, and other IT professionals who want to learn more about the SSDs and consider their use in IT solutions. Introduction The Lenovo PM1633a Enterprise Capacity 12Gb SAS solid-state drives (SSDs) in capacities of 3.84 TB and 7.68 TB capacities are next-generation high-capacity SSDs suitable for a wide range of applications of running on both System x and ThinkServer platforms. The PM1633a Enterprise Capacity SSDs are designed for dense storage and with a 12 Gb SAS interface, these drives feature all the capacity and performance that is needed to replace large numbers of 15K rpm and 10K rpm spinning disks, and consolidate storage into tightly packed server configurations.