The IBM 4619-HC2 is a compact Small Form Factor (SFF) chassis for the DS6200 series, designed to support the demands of high-density storage environments. It comes equipped with two Power Cooling Modules (PCMs), but without controller modules, offering flexibility and scalability in storage solution design. This chassis is engineered for businesses looking to implement or expand their storage infrastructure with a focus on efficiency, reliability, and performance. The inclusion of PCMs ensures optimal temperature management within the chassis, maintaining operational integrity under various workload conditions. Without predefined controller modules, users have the freedom to customize the storage system according to specific performance requirements and operational objectives. This model exemplifies IBM's commitment to providing modular, scalable storage solutions that cater to the evolving needs of enterprise storage, including SAN environments, cloud storage architectures, and high-availability applications.