Even the best of technologies eventually find themselves supplanted by newer, more advanced solutions. Parallel SCSI has been the bedrock of enterprise storage for more than two decades, but recently the limitations of its parallel, shared-bus architecture have become problematic. In this article, the fourth in a monthly series of technology papers Seagate plans to publish, you will learn why Serial Attached SCSI is ideally suited to expand the role of SCSI in the enterprise.