COVID-19 INFORMATION: We're still delivering online orders. Order before 3pm for priority despatch. Click here for details.

Seagate Exos X12 12TB SAS 12Gb/s 3.5" Hard Drive

CCL Code: HDD2980
Manufacturer Code: ST12000NM0027
Manufacturer: Seagate
Seagate Exos X12 12TB SAS 12Gb/s 3.5" Hard Drive

Key Features:

  • 12TB Capacity
  • 7200RPM Spin Speed
  • SAS 12Gb/s Interface
  • 256MB Cache
  • 3.5" Form Factor
  • 5 Year Warranty


Sorry, this product has been discontinued. We have found some similar products below.

Scalable, responsive and innovative, the Exos™ X12 helium drive is designed for maximum storage capacity and the highest rack-space efficiency. Protected with Seagate Secure™ technology, and delivering 12 TB capacity, the Exos X12 enables the fastest data transfers in the datasphere. The advanced helium technology supports low power and weight. Count on the greatest efficiencies and highest storage densities.

Main Features

  • Customises your bulk storage requirements with PowerBalance™ and RAID Rebuild®
  • Scales to meet your growing capacity with the highest rack-space efficiency
  • Fastest data transfers in the datasphere
  • Optimum data centre that is TCO-architected to offer low power and weight
  • Simplified infrastructure management with a single FastFormat™ advanced format feature (4Kn and 512e) ensures you're ready for today and in the future
  • Hardware-based security in which Seagate Secure™ models provide best data protection for data-at-rest
  • Safe, fast and easy drive retirement, thanks to the Instant Secure Erase feature that helps to lower TCO

Hard Disk

Drive Capacity 12000 GB
Drive Size 3.5 Inches
Disk Speed 7200RPM
Data Buffer/RAM 256 MB
Heads 16
Bytes per Sector 512


Average Latency 4.16 ms
Mean Time Between Failure (MTBF) Hours


Power Requirement Spin Up (Max) 9.3 Watts
Power Requirement Idle (Ready) 5.4 Watts


Operating Temperature 5 to 60 °C
Non Operating Temperature -40 to 70 °C
Relative Humidity 5 to 95 %
Shock (Operating) 70Gs
Shock (Non Operating) 250
Vibration (Operating) 0.25G (5 to 22Hz, 350 to 500Hz), 0.50G (22 to 350Hz)
Vibration (Non-Operating) 2.27
Acoustics (Seek Mode) 3.2 dB
Acoustics (Idle Mode) 2.8 dB
Altitude (Operating) -304.8 to 3048 m
Altitude (Non-Operating) -304.8 to 12,192 m
Temperature Gradient 20 °C per hour


Form Factor Hard Drive
Enclosure type Internal
Pack Quantity 1
Width 10.19 cm
Depth 14.7 cm
Height 2.61 cm
Weight 0.705 kg
Barcode 5054444061313


Warranty 5 years limited.

Key Features

Disk Capacity 12 TB
Interface Type SAS 12Gb/s
Main Colour Silver
Drive Interface SAS 12Gb/s
Cache Memory 256 MB
Disk Form Factor 3.5
Interface Type SAS
Condition New
HDD Purpose Enterprise



Item Details

Manufacturer Seagate
Manufacturer Code ST12000NM0027
EAN 7636490077067
Condition New

Warranty Information

Warranty 5 years limited.

Manufacturer Information

Manufacturer Seagate
Manufacturer Code ST12000NM0027

Do you have you a question about the Seagate Exos X12 Enterprise 3.5 inch Hard Drive (12TB) SAS 12Gb/s 7200RPM 256MB (Internal) - SAS Standard Model FastFormat (512e/4Kn)?