Most businesses today must retain a growing volume of valuable data at an affordable price. With the DS4100 single controller you get entry-level storage for an attractive price. This general purpose or near-line application storage must keep up with demand. For small and medium-sized enterprises, predicting storage needs and controlling costs can be especially challenging as business grows.The IBM TotalStorage DS4100 is designed to give cost-conscious enterprises an entry-level server that can help address storage consolidation and near-line application storage needs without undue expense, while leaving them room to grow. This disk system is designed to help consolidate direct-attached storage into a centrally managed, shared or storage area network (SAN) environment.The DS4100 also includes management tools and automation features that can help lower administration costs. At the same time, the SATA-based DS4100 supports increased reliability and performance compared to older, non-redundant parallel Advanced Technology Attachment (ATA) products.