The IBM 2861-001, known as the SystemStorage EXN1000 SATA Expansion Unit, is designed to provide flexible and scalable storage expansion for enterprises requiring high-density data storage solutions. This unit seamlessly integrates with existing IBM storage systems, offering a cost-effective way to extend storage capacity without the need for a complete system overhaul. It supports SATA hard drives, providing a balance of affordability and performance for data-intensive applications. The EXN1000 is ideal for archival purposes, backup solutions, and expanding the storage capabilities of environments with growing data demands. It features hot-swappable drives, allowing for easy maintenance and minimal downtime. With robust data protection and connectivity features, the SystemStorage EXN1000 SATA EXP unit ensures reliable and secure data storage, making it an essential component of comprehensive data management strategies.