Detail overview General Information : Manufacturer : SEAGATE Manufacturer Part : 3DJ133-136 Product Line : Exos X20 Product Name : Exos X20 20tb Hard Drive. Best-fit Applications : Scalable Hyperscale Applications/cloud Data Centers Massive Scale-out Data Centers Big Data Applications High-capacity Density Raid Storage Mainstream Enterprise External Storage Arrays Distributed File Systems, Including Hadoop And Ceph Enterprise Backup And Restore— D2d, Virtual Tape Centralized Surveillance Key Features : Storage Capacity : 20 Tb Enclosure : Internal Interface : Sata-6gbps 512e Sector Size (bytes Per Sector) : 512 4kn Sector Size (bytes Per Sector) : 4096 Drive Dimensions : 3.5 Inch Mtbf : 2.5 Million Hours Helium Sealed-drive Design : Yes Superparity : Yes Low Halogen : Yes Powerchoice™ Idle Power Technology : Yes Powerchoice™ Power/performance Technology : Yes Low Halogen/hot-plug Support : Yes Organic Solderability Preservative : Yes Rsa 2048 Firmware Verification (sd&d) : Yes Drive Performance : Interface Access Speed (gb/s) : 6.0, 3.0 Sustained Data Transfer Rate Od (max): 285/272 Mbps Random Read/write 4k Qd16 Wcd (iops) : 168/550 Average Latency : 4.16 Ms Interface Ports : Dual Buffer : 256 Mb Rotational Speed : 7200 Rpm Physical : Dimensions ( L X W X H) : 147.0 X 101.85 X 26.1 Mm Weight : 670 G Condition : Brand New Dell Oem. Availability : In Stock. Server Supply Warranty : 2 Years.