Seagate 4TB 7200rpm SATA-600 256MB IronWolf Pro ST4000NT001

Features:HDD interface transfer rate: 6 Gbit/sWorkload rate limit: 550 TB/yearHDD size: 3.5"Mean time between failures (MTBF): 2000000 hHDD speed: 7200 RPMType: HDDHDD capacity: 4 TBStorage drive buffer size: 256 MBComponent for: NASNoise level (idle): 28 dBHDD sustained transfer rate: 250 MiB/sRotational Vibration (RV) sensors: YesPower:Power consumption (standby): 1 WStart-up current: 2 APower consumption (off): 1 WPower consumption (idle): 5.5 WPower consumption (typical): 8.7 WOperating volt