IronWolf Pro drives are engineered to deliver 24—7 performance, reliability, and dependability in multi-bay, multi-user commercial and enterprise RAID storage solutions. Total peace of mind with five-year limited warranty, complimentary three-year Rescue Data Recovery Services, and IronWolf Health Management. Specification:  Hard drive Component for NAS HDD sustained transfer rate 240 MiB/s HDD interface transfer rate 6 Gbit/s Workload rate limit 300 TB/year Start/stop cycles 600000 HDD speed 7200 RPM HDD size 3.5" HDD capacity 18000 GB Features Type HDD Component for NAS HDD sustained transfer rate 240 MiB/s HDD interface transfer rate 6 Gbit/s Workload rate limit 300 TB/year Interface Serial ATA III Start/stop cycles 600000 HDD speed 7200 RPM HDD size 3.5" HDD capacity 18000 GB Storage drive buffer size 256 MB Rotational Vibration (RV) sensors Yes 24/7 operation Yes Noise level (idle) 2.8 dB Mean time to failure (MTTF) 1000000 h Power Power consumption (typical) 7.7 W Power consumption (standby) 1 W Power consumption (idle) 5.5 W Start-up current 1.8 A Operational conditions Operating temperature (T-T) 0 - 65 °C Storage temperature (T-T) -40 - 70 °C Operating shock 40 G Non-operating shock 200 G Technical details Interface Serial ATA III Weight & dimensions Width 4.01" (101.8 mm) Weight 23.6 oz (670 g) Height 1.03" (26.1 mm) Depth 5.79" (147 mm) Other features Interface Serial ATA III