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18.0TB Exos X18 Enterprise Hard Disk Drive

3.5-Inch | SATA 6.0Gb/s | 7200RPM | 256MB Cache
Maximum Storage Capacity for Highest Rack Space Efficiency
Scalable. Responsive. Innovative.
Scales to Meet Your Growing Capacity Needs
Seagate Exos X18 enterprise hard drives offer the highest rack space efficiency—up to 12PB of data in a single 42U rack. Enhanced caching makes it perfect for Big Data applications, providing the fastest hard drive data transfers in the datasphere. Hyperscale SATA models are tuned for large data transfers, providing low latency. You can easily customize your bulk storage requirements with innovative technology advancements (PowerBalance™and PowerChoice™). Exos X18 drives help provide low data center TCO, and are architected to offer low power and weight. Simplified infrastructure management is possible with FastFormat™ advanced format feature (4Kn and 512e).
Innovative Helium Design
The Exos X18 hard drive is built on a rock-solid sealed-drive design. A wrought-aluminum base and a helium sealed-drive design with no porosity and uniform density are designed with superior material and wide-weld design for a more robust, hermetically sealed-drive enclosure. Exos X18 hard drives incorporate digital environmental sensors for measuring pressure in the drive, helping to ensure high reliability, performance and quality.
Enhanced Enterprise Reliability, Data Protection and Security
Seagate is the industry leader in data-at-rest protection with the broadest offering of technologies to help ensure reliable, trusted products. The X class Exos X18 hard drive is a proven, enterprise-class hard drive with maximum reliability backed by a 2.5 million hour MTBF.

Product Specifications

Specifications
  • Capacity
    • 18.0 TB
  • Formatted Capacity
    • 16764 GiB
  • Form Factor
    • 3.5-inch
  • Interface
    • SATA 6.0 Gb/s
  • Rotational Speed
    • 7,200RPM
  • Cache Data Buffer
    • 256 MB
Performance
  • Random 4K Read
    • Up to 170 IOPS
  • Random 4K Write
    • Up to 550 IOPS
  • Transfer Rate
    • up to 600MB/s
  • Average Latency
    • 4.16 ms
Reliability
  • Nonrecoverable Read Errors
    • 1 per 1015 bits read
  • MTBF (Mean Time Between Failures)
    • 2,500,000 hours
  • Annual Failure Rate
    • .35%
  • Contact Start Stops
    • 600,000
Power
  • Idle Mode, Active (Max)
    • Up to 5.0 Watts
  • Maximum Current, DC
    • 2.6 Amp
Physical
  • Dimensions
    • Height: 2.6 cm (1.0 in)
    • Length: 14.7 cm (5.8 in)
    • Width: 10.2 cm (4.0 in)
  • Weight
    • 670.0 g (1.48 lbs)
  • Data Heads
    • 18
  • Number of Disks
    • 9
  • Bytes per Sector
    • 512 / 4k (512e)
  • Areal Density
    • 1,172Gb/in2
Environmental
  • Ambient Temperature
    • Operating: 41°F to 140°F (5°C to 60°C)
  • Altitude
    • Operating: -304.8 m to 3,048.0 m (-1,000 ft to 10,000 ft)
    • Non-Operating: -304.8 m to 12,192.0 m (-1,000 ft to 40,000 ft)
  • Humidity
    • Operating: 5% to 95% non-condensing
    • Non-Operating: 5% to 95% non-condensing
  • Shock
    • Operating: 50 G max at 2 ms
    • Non-Operating: 200 G max at 2 ms
Acoustics
  • Idle (Typical)
    • 2.8 bels
  • Seek (Typical)
    • 3.2 bels
Applications
  • Applications
    • 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
Manufacturer provided specifications for Seagate p/n SEAST18000NM01J

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Includes

  • (1) Exos X18 Enterprise Hard Disk Drive
  • Seagate 5 Year Limited Warranty
Seagate 18.0TB Exos X18 Enterprise Hard Disk Drive Mfr P/N: ST18000NM000J OWC SKU: SEAST18000NM01Jwith 256MB cacheSeagate 5 Year Limited Warranty Ships: 3 Days only $799.99
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