Seagate ST12000NM0127 Enterprise 12TB 3.5" 6Gbps 7.2K RPM 512e SED SATA HDD

Seagate Part #/MPN: ST12000NM0127

DiscTech Item #: SGT-ST12000NM0127-RF-OE

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Enterprise Grade

Capacity: 12TB

Speed: 7,200RPM

Interface Types: SATA

Form Factor: 3.5inx1.0in LFF Hard Drive

Encryption/SED Supported

Sector Size: 512 / 512e

Sustained Throughput: Up to 261, 248

Average Seek Time: 3.4

Electrical Interface: SATA 600 - 6.0Gbps

On-Board Cache: 256MB

Seagate ST12000NM0127 Enterprise 12TB 3.5" 6Gbps 7.2K RPM 512e SED SATA HDD - Refurbished

Seagate ST12000NM0127 Enterprise 12TB 3.5" 6Gbps 7.2K RPM 512e SED SATA HDD - Refurbished

Enterprise Capacity 3.5 HDD
Maximum Storage Capacity for Highest Rack Space Efficiency

  • 12TB per drive for 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
  • Hyper scale 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

  • Hyper scale 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


This drive is compatible with any server that accepts 3.5inx1.0in SATA Drive.

Enterprise Capacity 3.5 HDD
Reliability/Data Integrity
Power Consumption
Model NumberST12000NM0127
Sector Size512e
Capacity12TB / 12000GB
InterfaceSATA 6Gb/s
Superior Helium Sealed-Drive Designed With Wide WeldYes
Digital Sensors for Helium PressureYes
Protection Information (T10 DIF)-
PowerChoice™/PowerBalance™ TechnologyYes
Low Halogen/Hot-Plug SupportYes
Cache, Multisegmented (MB)256
Organic Solderability PreservativeYes
Secure Download and Diagnostics (SD&D) RSA 2048 signed firmwareYes
Mean Time Between Failures (MTBF, hours)2.5 Million
Reliability Rating @ Full 24×7 Operation (AFR)0.35%
Nonrecoverable Read Errors per Bits Read1 sector per 10E15
Power-On Hours8760
512e Sector Size (Bytes per Sector)512
4Kn Sector Size (Bytes per Sector)4096
Spindle Speed (RPM)7200
Interface Access Speed (Gb/s)6.0, 3.0
Max. Sustained Transfer Rate OD (MB/s,MiB/s)Up to 261, 248
Random Read/Write 4K QD16 WCD (IOPS)170/400
Interface PortsSingle
Rotational Vibration @ 1500Hz (rad/s)12.5
Idle A (W) Average5.0W
Average Latency (ms)4.16
Operating Power7.8
Power Supply Requirements+12 V and +5 V
Temperature, Operating (°C)5°C – 60°C
Vibration, Nonoperating: 10Hz to 500Hz (Grms)2.27
Height(mm/in, max)26.11mm/1.028in
Width(mm/in, max)101.60mm/4.0in
Depth(mm/in, max)147.0mm/5.787in

Click here to view the manufacturer's item description/brochure

ROHS Compliant

Weight: 1.8 lb

Warranty: 1 Year DiscTech


Condition Levels Explained

These products have had NO problems or failures, they merely have some usage. The product has been professionally returned to excellent condition. These items have been fully tested, formatted (if appropriate) &repackaged. Hard drives are fully vetted for surface defects and wear, only healthy disks are approved for resale to our customers. Please see our refurbishing process for more details. Watch a video about our refurbishing process

1 Year DiscTech Warranty

Product Warranties Explained

The product has a DiscTech warranty for the time period specified. View our limited warranty