General Information : 

• Manufacturer : Seagate 
• Manufacturer Model : St18000nm004j 
• Product Line : Exos X18 
• Product Name : Exos X18 18tb 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 : 18 Tb 
• Enclosure : Internal 
• Interface : Sasa-12gbps 
• 512e Sector Size (bytes Per Sector) : 512, 520, 528 
• 4kn Sector Size (bytes Per Sector) : 4096, 4160,4224 
• 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) : 12.0, 6.0, 3.0 
• Sustained Data Transfer Rate Od (max): Up To 270, 258 Mbps 
• Random Read/write 4k Qd16 Wcd (iops) : 170/550 
• 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