Seagate ST2000NM0055 2TB SATA Hard Drive

Seagate Part #/MPN: ST2000NM0055

DiscTech Item #: SGT-ST2000NM0055-BN-5Y

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Enterprise Grade

Capacity: 2TB

Speed: 7,200RPM

Interface Types: SATA

Form Factor: 3.5inx1.0in LFF Hard Drive

Sector Size: 512 / 512e

Sustained Throughput: 226

Average Seek Time: 4.16

Electrical Interface: SATA 600 - 6.0Gbps

On-Board Cache: 128MB

Seagate ST2000NM0055 2TB 3.5in 6Gbps 7.2K RPM 512n Serial ATA / SATA Hard Drive - Brand New

Seagate ST2000NM0055 2TB / 2000GB 3.5" 6.0 Gb/s 7200 RPM 512 Native Serial Attached Technology Attachment Hard Disk Drive - Brand New

Enterprise Capacity 3.5 HDD

Capacity-Optimized Enterprise Hard Drive for Bulk-Data Applications

  • 1TB to 8TB , 3.5-inch enterprise drive with industry-leading conventional magnetic recording (CMR) technology
  • Advanced Write Caching feature enables up to 100% performance improvement in random writes over last-generation drive
  • 12Gb/s SAS and SATA 6Gb/s interfaces in industry-standard formats (512n, 512e and 4Kn) for easy integration into replicated and RAID multi-drive storage servers and systems
  • State-of-the-art cache, on-the-fly error-correction algorithms, super parity and end-toend SAS-based data integrity for accurate data storage Industry-leading rotational vibration design helps ensure consistent performance in dense multi-drive systems
  • Engineered for 24x7 workloads of 550TB/yr
  • Robust performance with dual processors, ramp load technology, top-cover-attached motor and humidity sensor for optimum performance in all chassis
  • On-demand PowerBalance™ feature available for lower power/performance in random read/write environments
  • Seagate Secure® Self-Encrypting Drive featuring Instant Secure Erase for cost-saving drive retirement and secure data-at-rest protection
  • Seagate SeaTools™ diagnostic software to provide drive self-tests ensuring no unnecessary downtime and maximizing TCO

Best-Fit Applications

  • Hyperscale applications/cloud data centers with replicated storage
  • Massive scale-out data centers and big data analytics
  • High-capacity density RAID storage
  • Mainstream enterprise external storage (SAN, NAS, DAS)
  • Distributed file systems, including Hadoop and Ceph
  • Enterprise backup and restore—D2D, virtual tape


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

Seagate Enterprise Capcity 3.5 HDD
Base Model NoST2000NM0055
Capacity2TB / 2000GB
InterfaceSATA 6 Gbp/s
Sector Size512n
Special Features
Protection Infromation -
Humidity SensorYes
Halogen FreeYes
PowerChoice TechnologyYes
PowerBalance TechnolgyNo
Advance Writing Caching (internal NOR flash)No
Reliability/Data Integrity
Vibration, Nonoperating: 10Hz to 500Hz (Grms)5
Reliability Rating @ Full 24×7 Operation (AFR)0.44%
Nonrecoverable Read Errors per Bits Read, Max1 sector per 10E15
Power-On Hours8760
Bytes per Sector512
Spin Speed7200RPM
Interface Access Speed (Gb/s)6.0,3.0,1.5
Max Sustainable Transfer Rate226MB/s
Average Latency(ms)4.16
Interface PortsSingle
Rotational Vibration @ 1500Hz (rad/s)12.5
Power Consumption
Idle Average(W)4.257W
Average Operating Power5.91W
Power Supply Requirements+12 V and +5 V
Temprature, Operating(°C)5°C - 60°C
Shock, Operating Power70/40Gs
Shock, Nonoperating, 1 ms/2ms (Gs)250/150Gs
Width(mm/in, max)101.85mm/4.01in
Depth(mm/in, max)147.0mm/5.787in

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ROHS Compliant

Weight: 1.8 lb

Warranty: 5 Year Manufacturer

Brand New

Condition Levels Explained

The product is brand new.

5 Year Manufacturer Warranty

Product Warranties Explained

The product has a manufacturer warranty for the time period specified.