Best-Performing, Highest-Capacity Storage for 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 & tested to provide industry-leading performance for 24×7 NAS applications Seagate NASWorks™ improves drive reliability with custom-built error recovery controls, power settings & vibration tolerance Enables the highest capacities for 1- to 5-bay systems—up to 4TB per drive or 20TB in a 5 bay NASIndustry-Leading HDD Performance Built & tested to provide industry-leading performance, Seagate NAS HDDs quickly & reliably support home & business applications. With support for multiple HD video streams & user profiles in a multi-drive environment, these NAS drives provide the performance demanded by NAS solutions & incorporates Seagate® NASWorks TM software to reduce common issues. Highest-Capacity NAS HDD With a 30% capacity improvement over competitive offerings & excellent cost-per-terabyte, choose between 2, 3 & 4TB—for up to 20TB of capacity— in 5-bay NAS solutions. A single 4TB drive translates to: over 1 million photos, 180 days of music, 1000 hours of DVD video, OR enough space to support the CAD files, images & databases needed by small businesses.* * Quantitative usage examples for various applications are for illustrative purposes. Actual quantities will vary based on various factors, including file size, file format, features, & application software What's in the NAS Drive? High-performance NAS Drive for 1- to 5-bay NAS systems, NASWorks: Fine-tunes the needs of small office & home NAS systems, Up to 4TB of capacity.