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Seagate Exos 12TB X-Class Nearline Enterprise Hard Drive 3.5" SAS 512E / 4KN

X12 Series; Helium-sealed drive technology, SAS Standard Model FastFormat™ (512e/4Kn), Advanced Write Caching, 20% boost, 5 Year Warranty.

Seagate Exos 12TB X-Class Nearline Enterprise Hard Drive 3.5inch SAS 512E / 4KN
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£520.75 inc vat

£433.96 ex vat

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Order Code: SG-XOSX12S

Manf.Code: ST12000NM0027

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Seagate Exos 12TB X-Class Nearline Enterprise Hard Drive 3.5" SAS 512E / 4KN overview

Seagate RAID Rebuild

Helium Sealed Drive

12TB Capacity

7200 RPM

5-Year Limited Warranty

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.

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

Best-Fit Applications

Hyperscale applications/cloud data centres
• Massive scale-out data centres OLTP and HPC 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 centralised surveillance

Built-in Data Protection

Seagate Secure Instant Secure Erase drives simplify drive repurposing and disposal, protect data-at-rest and help comply with corporate and federal data security mandates.

Prevent unauthorised access and safeguard stored data with three levels of security, including Secure Downloads & Diagnostics (SD&D), TCG compliant Self-Encrypting Drive and government-grade FIPS/Common Criteria tamper-resistant hard drive. *

Data Management Made Easy

Simplify infrastructure management with the FastFormat feature for advanced format (4Kn and 512e)
• Unprecedented power savings during idle times with PowerChoice technology for TCO improvement
• Use Instant Secure Erase for easy drive disposal and repurposing if and when needed

  • Capacity
  • 12TB
  • SAS Standard Model FastFormat™ (512e/4Kn)
  • ST12000NM0027
  • Superior Helium Sealed-Drive Design With Wide Weld
  • Yes
  • Digital Sensors for Helium Pressure
  • Yes
  • Protection Information (T10 DIF)
  • Yes
  • SuperParity
  • Yes
  • PowerChoice™/PowerBalance™ Technology
  • Yes
  • Seagate RAID Rebuild™
  • Yes
  • Low Halogen/Hot-Plug Support
  • Yes
  • Cache, Multi-segmented (MB)
  • 256
  • Organic Solderability Preservative
  • Yes
  • Secure Download and Diagnostics (SD&D) RSA 2048 signed firmware
  • Yes
  • Mean Time Between Failures (MTBF, hours)
  • 2,500,000
  • Reliability Rating @ Full 24×7 Operation (AFR)
  • 0.35%
  • Non-recoverable Read Errors per Bits Read
  • 1 sector per 10E15
  • Power-On Hours per Year (24×7)
  • 8,760
  • 512e Sector Size (Bytes per Sector)
  • 512, 520, 528
  • 4Kn Sector Size (Bytes per Sector)
  • 4,096, 4160, 4224
  • Limited Warranty (years)
  • 5
  • Spindle Speed (RPM)
  • 7,200
  • Interface Access Speed (Gb/s)
  • 12.0, 6.0, 3.0
  • Max. Sustained Transfer Rate OD (MB/s, MiB/s)
  • Up to 261, 249
  • Random Read/Write 4K QD16 WCD (IOPS)
  • 170/400
  • Interface Ports
  • Dual
  • Rotation Vibration @ 20-1500 Hz (rad/sec²)
  • 12.5
  • Idle A (W) Average
  • 5.4 W
  • Average Latency (ms)
  • 4.16
  • Operating Power
  • 9.3
  • Power Supply Requirements
  • +12 V and +5 V
  • Temperature, Operating (°C)
  • 5°C – 60°C
  • Vibration, Non-operating: 10 Hz to 500 Hz (Grms)
  • 2.27
  • Shock, Operating 2 ms (Read/Write) (Gs)
  • 70
  • Shock, Non-operating 2 ms (GS)
  • 250
  • Height (mm/in, max)
  • 5 26.11 mm/1.028 in
  • Width (mm/in, max)
  • 5 101.85 mm/4.01 in
  • Depth (mm/in, max)
  • 5 147 mm/5.787 in
  • Weight (lb/g)
  • 705 g/1.554 lb

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If you need your order at the weekend, for £9.98, you can specify the day you wish to have it delivered to you, Saturday or Sunday providing your order has been placed by 17:00 on the Friday before.

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About Seagate

Seagate is the global leader in data storage solutions, developing amazing products that enable people and businesses around the world to create, share and preserve their most critical memories and business data. With their range of Hard Drives, Solid State Drives and Network Attached Storage drives, Seagate continue to provide realiable and top quality storage assets to their customers throughout the World.

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