Western Digital Ultrastar DC HC550 3.5" 18TB 7200rpm 512MB SATA3 (0F38459/WUH721818ALE6L4)

Features:Type: HDDHDD sustained transfer rate: 267 MiB/sAverage latency: 4.16 msHDD interface transfer rate: 6 Gbit/sMean time between failures (MTBF): 2500000 hInterface: Serial ATA IIIHDD average transfer rate: 600 MB/sHDD size: 3.5"Component for: Server/workstationRead seek time: 7.5 msStart/stop cycles: 600000Storage drive buffer size: 512 MBHDD speed: 7200 RPMHDD capacity: 18 TBPower:Power consumption (typical): 6 WOperating voltage: 5 / 12 VPower consumption (idle): 5.5 WOperational condit