Key Features
The HGST HDN724040ALE640 is a high-capacity 4TB internal hard drive operating at 7200 RPM, making it suitable for performance-oriented NAS and enterprise desktop use requiring 24/7 reliability. Its SATA 6Gb/s interface and 64MB cache provide competitive throughput, with sustained transfer rates around 205 MB/s. Reliability is a key feature, specified with an MTBF of 1 million hours for the Deskstar NAS variant.