Complete 20TB 5-Bay RAID Storage Bundle: Enclosure + 5x 4TB Seagate NAS Drives + eSATA Card. 5x 4TB Seagate NAS Hard Drives (ST4000VN000). It avoids the overhead, bottlenecks, and latency of USB conversions, making it vastly superior and more stable for a multi-drive RAID array.
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