Delivering maximum storage capacity with the highest rack-space efficiency. Scalable. Responsive. Innovative. Powerful performance with proven technology €†Seagate€™s Exos X20 drives are built off the platform that€™s shipped millions globally and deployed in leading cloud service provider solutions €†making them the most sought after drives in our datasphere. Designed with the highest rack-space efficiency and protected with Seagate Secure, Exos X20 offers extreme market-leading capacity, earning customer confidence by delivering trusted peace of mind. Superior Reliability Enterprise-class drives with a 550 TB/year workload rating and 2.5M-hr MTBF to meet the most demanding storage requirements. Customisation Power Options PowerChoice and PowerBalance for optimised power consumption when in use and idle €†customisable to fit your needs. Amazing Performance Advanced write caching coupled with up to 285 MB/s data transfer rates provides a boost in performance without compromising on capacity. Advanced Data Security Password protection and AES-256 hardware encryption with Seagate Secure €†for drives you can depend on. Specification:  Hard drive Component for PC HDD sustained transfer rate 272 MiB/s HDD interface transfer rate 6 Gbit/s HDD average transfer rate 285 MB/s Mean time between failures (MTBF) 2500000 h HDD speed 7200 RPM HDD size 3.5" HDD capacity 18000 GB Features Type HDD Component for PC HDD sustained transfer rate 272 MiB/s HDD interface transfer rate 6 Gbit/s HDD average transfer rate 285 MB/s Interface Serial ATA III Mean time between failures (MTBF) 2500000 h HDD speed 7200 RPM HDD size 3.5" HDD capacity 18000 GB Power Operating voltage 5 / 12 V Power consumption (typical) 5.4 W Power consumption (write) 6.4 W Power consumption (read) 9.4 W Operational conditions Operating temperature (T-T) 5 - 60 °C Operating shock 40 G Non-operating vibration 2.27 G Non-operating shock 200 G Technical details Harmonized System (HS) code 84717050 Operating voltage 5 / 12 V Quantity 1 Interface Serial ATA III Mean time between failures (MTBF) 2500000 h 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) Packaging data Quantity 1 Packaging content Quantity 1 Other features Operating voltage 5 / 12 V Interface Serial ATA III