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 Surveillance system HDD sustained transfer rate 250 MiB/s HDD interface transfer rate 6 Gbit/s Mean time between failures (MTBF) 2000000 h Start/stop cycles 300000 HDD speed 7200 RPM HDD size 3.5" HDD capacity 12000 GB Features Type HDD Component for Surveillance system HDD sustained transfer rate 250 MiB/s HDD interface transfer rate 6 Gbit/s Interface Serial ATA III Mean time between failures (MTBF) 2000000 h Start/stop cycles 300000 HDD speed 7200 RPM HDD size 3.5" HDD capacity 12000 GB Storage drive buffer size 256 MB Power Operating voltage 5 / 12 V Power consumption (typical) 6.9 W Power consumption (standby) 1.2 W Power consumption (off) 1.2 W Power consumption (idle) 4.9 W Start-up current 1.8 A Operational conditions Operating temperature (T-T) 5 - 70 °C Storage temperature (T-T) -40 - 70 °C Operating relative humidity (H-H) 5 - 90% Storage relative humidity (H-H) 5 - 95% Non-operating altitude -12000 - 480000" (-304.8 - 12192 m) Technical details Operating voltage 5 / 12 V Quantity 1 Interface Serial ATA III Mean time between failures (MTBF) 2000000 h Weight & dimensions Width 4.01" (101.8 mm) Weight 24.3 oz (690 g) Height 1.03" (26.1 mm) Depth 5.79" (147 mm) Packaging data Storage drive adapter included No Quantity 1 Packaging content Storage drive adapter included No Quantity 1 Other features Operating voltage 5 / 12 V Interface Serial ATA III