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Seagate 12TB Exos SAS Enterprise Hard Drive 3.5" 512E 7200RPM 256MB Cache


 ST12000NM0027, Seagate 12TB Exos SAS Enterprise Hard Drive 3.5" 512E 7200RPM 256MB Cache

Key Features

  • X12 Series; Helium-sealed drive technology
  • SAS Standard Model FastFormat™ (512e/4Kn)
  • Advanced Write Caching
  • 20% boost
  • Power efficiency: up to 21% greater IOPS/watt
  • Switch easily between 4K Native and 512e + Rapid RAID Rebuild
  • 5 Year Manufacturer Warranty
  • ST12000NM0027

Part No: ST12000NM0027

Stock Code: B58459291


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Seagate Exos 12TB SAS Enterprise Hard Drive 3.5" 512E 7200RPM 256MB Cache


Scalable. Responsive. Innovative.

For everything hyperscale, there's Exos™ X — the most powerful way to access the datasphere and harness the full potential of the Cloud. Exos X12 and Exos X10 enterprise hard drives integrate the latest technology in support of a scalable, secure and reliable cloud data centre.* Specifically designed to work in highly scalable environments requiring low power consumption and weight, Exos X series hard drives perform consistently while scaling to meet the stringent TCO requirements of most cloud-based data centres.


Maximum Storage Capacity for Highest Rack Space Efficiency

  • 12TB per drivefor 50% more petabytes per rack
  • Industry's lowest power and weight for optimum data center TCO
  • Highest 12TB HDD performance with enhanced caching, making it perfect for Big Data applications
  • Hyperscale SATA model tuned for large data transfers
  • PowerBalance™ feature optimizes IOPS/Watt
  • Advanced Write Caching feature for 20% boost in random write performance
  • Forged, wrought-aluminum base and a helium sealed-drive design with no porosity and uniform density
  • Superior material and weld-width design for a more robust, hermetically sealed-drive enclosure that protects from helium leaks
  • Digital environmental sensors for measuring internal pressure, helping to ensure high reliability, performance and quality
  • Latest hermetic interconnect technology supporting higher data rate heads and higher pin counts for extreme thermal conditions
  • Proven enterprise-class reliability backed by 2.5M-hr MTBF

Best-Fit 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

* Formerly Enterprise Capacity 3.5 HDD (Helium)


Hyperscale Efficiency, Lowest TCO

Exos X12 Series

  • Store up to 10 PB in a single 42U rack with helium-sealed drive technology
  • Advanced Write Caching provides a 20% boost over previous generation drives in random write performance*
  • Industry's best-in-class power efficiency: up to 21% greater IOPS/watt vs. other 12 TB models.
  • Customise your bulk storage requirements with PowerChoice™ and RAID Rebuild®
  • 550 TB/yr — 10× the workload rating of desktop drives
  • Seagate Secure® encryption technology protects data-at-rest, meets the NIST 800-88 media sanitisation standard
  • Best-in-class enterprise drives

* When compared to 8 TB competitive product


From the Manufacturer



Drive Type Internal
Application Enterprise
Capacity 12TB
Technology Type HDD
Drive Connection SAS
Drive Size 3.5"
Cache 256 MB
Speed 7200 rpm
Colour Silver
Warranty 5 Year Manufacturer Warranty (View More Information)

Drive Performance
Spindle Speed (rpm)7200
Buffer256 MB
General Information
ManufacturerSeagate Technology
Manufacturer Part NumberST12000NM0027
Manufacturer Website Addresshttp://www.seagate.com
Brand NameSeagate
Product ModelST12000NM0027
Product NameEnterprise Capacity 3.5 HDD (Helium)
Product TypeHard Drive
Drive InterfaceSAS
Drive Interface Standard12Gb/s SAS
Device SupportedStorage System
Network & Communication
Wireless LANNo
Physical Characteristics
Drive TypeInternal
Hot PluggableYes
Height26.1 mm
Width101.6 mm
Depth147 mm
Weight (Approximate)650 g
Technical Information
Storage Capacity12 TB

Please note: Pictures are for illustration only. Please contact us if you wish to confirm the specification before ordering.


Product Reviews

Seagate - ST12000NM0027
Seagate 12TB Exos SAS Enterprise Hard Drive 3.5" 512E 7200RPM 256MB Cache


£438.99 Inc VAT

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