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 software to reduce common issues. 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. NASWorks improves the reliability of NAS HDD by fine-tuning drive features to be more compatible in NAS systems with: Extended error recovery controls help to ensure drives comply with NAS system requirements for better data integrity Specifically designed to minimize vibration effects typically found in multi-drive solutions, improving reliability Advanced power profiles tailor low power options for always-on NAS applications