Seagate 12TB IronWolf Pro 7200 rpm SATA III 3.5" Internal NAS HDD (CMR)

Product #106277 | SKU ST12000NT001 | Seagate
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  • 12TB Storage Capacity
  • 3.5" Form Factor
  • SATA III 6 Gb/s Interface
  • 256MB Cache
  • 7200 rpm
  • Up to 270 MB/s Data Transfer Rate


The Seagate 12TB IronWolf Pro 7200 rpm SATA III 3.5" Internal NAS HDD (CMR) is designed to deliver reliable and dependable performance in 24x7 intensive workload environments. It is engineered to perform in commercial and enterprise multi-bay, multiuser, multi-application NAS storage solutions.

Optimized for NAS with AgileArray™

AgileArray uses dual-plane balancing and time-limited error recovery (TLER) to deliver best-in-class RAID performance in multi-bay systems.

Always On, Always Accessible

IronWolf Pro drives are designed for 24x7 performance, allowing users to access their data anytime, anywhere.

All-CMR Portfolio

All IronWolf Pro drives utilize conventional magnetic recording (CMR) technology for consistent, best-in-class NAS performance.

Built Tough

IronWolf Pro drives are rated for up to 550TB/year workload rate, allowing commercial and enterprise NAS users to seamlessly store, share, and collaborate on large amounts of data over a network.

Class-Leading Reliability and Dependability

IronWolf Pro drives are rated for up to 2.5M hours MTBF and include a 5-year limited warranty for hassle-free data storage and best-in-class total cost of ownership (TCO).

Rotational Vibration (RV) sensors

Built-in RV sensors coupled with dynamic fly-height technology correct for external vibration to deliver consistently high performance and reliability in multi-bay systems.

IronWolf Health Management (IHM)

Actively protect your data with prevention, intervention, and recovery recommendations to ensure peak system health.

Peace of mind with Data Recovery

IronWolf Pro drives include three years of complimentary Rescue Data Recovery Services so users don't incur high recovery costs. Inhouse secure facilities with an industry-leading 95% success rate enable data recovery in the event of accidental data corruption or drive damage.


Storage Capacity 12 TB SATA III (6 Gb/s) 3.5" HDD (7200 rpm)
Read Speed Maximum: 270 MB/s
Write Speed Maximum: 270 MB/s
Buffer 256 MB
HDD Specs
Disk Sector Format 512e
Noise Level 26.0 dB (Active)
20.0 dB (Idle)
Reliability / Data Integrity
Endurance (Total Bytes Written) 550 TB
Mean Time Between Failures (MTBF) 2.5 Million Hours
Non-Recoverable Read Errors per Bits Read 1 in 1015
Power Draw 7.8 W (Active)
5.0 W (Idle)
1.0 W (Standby)
Supported Voltage 5 VDC, 12 VDC
Current 2.0 A at 12 VDC
Operating Temperature 32 to 97°F / 0 to 65°C
Storage Temperature -40 to 158°F / -40 to 70°C
Operating Shock 50 G / 2.0 ms
Storage Shock 200 G / 1.0 ms
Operating Vibration 12.5 G / 10 to 1500 Hz
Storage Vibration 2.27 G / 10 to 500 Hz
Dimensions 5.79 x 4.01 x 1.03" / 146.99 x 101.85 x 26.11 mm
Weight 1.5 lb / 670 g

In The Box

  • Seagate 12TB IronWolf Pro 7200 rpm SATA III 3.5" Internal NAS HDD (CMR)


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  • Product: Seagate 12TB IronWolf Pro 7200 rpm SATA III 3.5" Internal NAS HDD (CMR)
  • Manufacturer: Seagate
  • Model: ST12000NT001
  • SKU: ST12000NT001
  • RM Product #: 106277
  • Capacity: 12 TB

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