Fine-tuning the needs of small NAS systems, Seagate NAS HDDs provide the best-performing, highest-capacity storage for 1- to 5-bay NAS systems. The NAS HDD has been compatibility tested with the industry's top NAS solution providers. Built and tested to provide industry-leading performance, Seagate NAS HDDs quickly and reliably support home and business applications. With support for multiple HD video streams and user profiles in a multi-drive environment, these NAS drives provide the performance demanded by NAS solutions and incorporates Seagate NASWorks software to reduce common issues. With a 30% capacity improvement over competitive offerings and excellent cost-per-terabyte, choose between 2, 3 and 4TB for up to 20TB of capacity- in 5-bay NAS solutions.