Seagate 6TB IronWolf Pro 7200 rpm SATA III 3.5″ Internal NAS HDD Model ST6000NE0021


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  • Actively protect your NAS with IronWolf Health Management.
  • Bundled with Seagate Rescue Data Recovery, protected for 2 years against any mechanical, accidental or natural disaster-with a 90% success rate for in-house recovery.
  • Range of capacities up to 12TB., Workload rate of 300TB/year.
  • Optimized for NAS with AgileArray, enables dual-plane balancing and RAID optimization in multi-bay environments. Rotational Vibration (RV) sensors.
  • Always-on, always-accessible 24×7 performance.
  • 1M hours MTBF, 5-year limited warranty.
SKU: ST6000NE0021 Category:



Additional information

Weight 0.7 kg
Dimensions 20 × 15 × 8 cm



Capacity 6 TB
Interface SATA III 6 Gb/s
Drive Bays Supported Up to 16
Multi-User Technology 300 TB per year
IronWolf Health Management Yes
Rotational Vibration (RV) Sensors Yes
Hot-Plug Support Yes
Cache 256 MB
Reliability/Data Integrity
Mean Time Between Failures (MTBF) 1.2 million hours
Reliability Rating @ Full 24×7 Operation 0.73% AFR
Non-Recoverable Read Errors per Bits Read 1 per 1015
Power-On Hours per Year 8760
Sector Size (Bytes per Logical Sector) 512E
Rescue Services Yes
Spindle Speed 7200 rpm
Interface Access Speed 6.0, 3.0, and 1.5 Gb/s
Max Sustained Transfer Rate OD 214 MB/s
Average Latency 4.16 ms
Interface Ports Single
Rotational Vibration 12.5 rad/s2 @ 10-1500 Hz
Power Consumption
Startup Current, Typical (12 V) 2.0 A
Idle Power, Average 7.6 W
Average Operating Power 9.0 W
Standby Mode, Typical 0.6 W
Sleep Mode, Typical 0.6 W
Power Supply Requirements +12 and +5 V
Temperature Operating (Ambient Min): 41°F / 5°C
Operating (Drive Case Max): 140°F / 60°C
Non-Operating (Ambient Min): -40°F / -40°C
Non-Operating (Ambient Max): 158°F / 70°C
Vibration, Non-Operating: 10 to 500 Hz 5 Grms
Shock, Operating, 2 ms (Read/Write) 70/40 Gs
Shock, Non-Operating, 1 and 2 ms 250 Gs
Dimensions 1.028 x 4.101 x 5.787″ / 26.11 x 104.2 x 147 mm
Weight 1.72 lb / 0.78 kg




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Tough. Ready. Scalable.

For everything NAS, there’s IronWolf and IronWolf Pro. Always on and always working, IronWolf is enhanced with AgileArray technology for optimal reliability and system agility. Multi-user technology and extreme workload rates allow IronWolf to perform and scale up with your enterprise.


IronWolf + the Power of AgileArray

  • NAS-optimised hard drive for the best-possible user experience
  • IronWolf Health Management in compatible NAS1 systems continuously helps to safeguard the health of your data
  • Drive balance with Rotational Vibration (RV) sensors manage multi-bay vibration for long-term consistent performance and reliability
  • RAID performance optimised that maximises responsiveness and uptime with NAS-aware Error Recovery Control
  • Advanced power management saves energy and delivers the right power at the right time
  1. IronWolf Health Management is only available in capacities of 4 TB and up.

Actively Protect Your Data With IronWolf Health Management in Popular and Enabled NAS1,2

IronWolf Health Management is designed to operate on compatible NAS systems2 such as Synology and ASUSTOR. Populated with supported IronWolf or IronWolf Pro HDDs1 It improves the overall system reliability by displaying actionable prevention, intervention or recovery options for the user.

Learn more about IronWolf Health Management

  1. IronWolf Health Management features subject to change.
    2. NAS vendors may vary in compatibility with IronWolf Health Management. Contact your Seagate sales representative for further details.

Multi-Bay and NAS-Ready With Built-In RV Sensor

First in its class, IronWolf drives are equipped with RV sensors on high capacity drives to maintain performance in multi-bay NAS enclosures. RV sensors on IronWolf Pro come standard, helping business and creative pros to have consistent performance for years to come.

Do More With Multi-User Optimisation

Do more with your NAS with multi-user optimisation. Enabling user workloads of up to 180 TB/year on IronWolf and 300 TB/year with IronWolf Pro, multiple users can confidently upload and download data to a NAS server. Whether you’re a creative pro or a small business, IronWolf is on your side.

IronWolf Pro Comes With 2-year Rescue Data Recovery Service1

Your data is important and a Rescue plan provides peace of mind in case of unexpected data loss due to accidents or mechanical damage.

The Rescue plan gives you access to a global team of world-class data recovery experts.

Purchase and register an IronWolf Pro drive to activate your included Rescue plan and you are covered for 2 years. Extended coverage options available at registration.

Register here:

  1. Rescue recovery services not available in all countries. Please contact your Seagate sales representative for further details.

Be Creative Anywhere With IronWolf and Your NAS

Extensible and reliable storage helps keep you and your creative business on schedule. IronWolf and IronWolf Pro are great companions for your NAS for 24×7 remote access, backups and file sharing from anywhere, making sharing ideas easy. For growing agencies and the need for more storage, IronWolf and IronWolf Pro are built to address NAS scalability challenges.

Grow Your Business NAS

A thriving small business needs storage that can thrive with it. IronWolf is optimised for NAS in multi-RAID environments that not only the vibration, but also handle the high user workload rate in a high data traffic network. Enter multi-user technology — up to 180 TB/yr for IronWolf, up to 300 TB/yr for IronWolf Pro.

Dominate The Media

Build your home NAS media empire with IronWolf HDDs. IronWolf and IronWolf Pro lead the class in storage capacity with drives as large as 12 TB, and the performance needed to run high definition content with your NAS. Store thousands of full-length HD films and even more photographs on your private server. Think of it as your home cloud.

  • IronWolf
  • IronWolf Pro
  • ExosX12(Helium)
Perfect for Home, SOHO and small business NAS Creative pro, SOHO, SME NAS Data centre and bulk cloud storage
# of Bays 1 to 8 bays 1 to 16 bays 1 to 16 bays
Capacity 12 TB, 10 TB, 8 TB, 6 TB, 4 TB, 3 TB, 2 TB, 1 TB 12 TB, 10 TB, 8 TB, 6 TB, 4 TB, 2 TB 12 TB, 10 TB, 8 TB, 6 TB, 4 TB, 3 TB, 2 TB, 1 TB
NAS-Optimisation AgileArray AgileArray Enterprise-optimised
Rotational Vibration Sensors Available on 12 TB, 10 TB, 8 TB, 6 TB, 4 TB All capacities All capacities
Multi-User Optimisation 180 TB/year 300 TB/year 550 TB/year
Cache Up to 256 MB Up to 256 MB Up to 256 MB
Mean Time Between Failures (MTBF) 1 million hours 1.2 million hours 2.5 million hours
Warranty 3 years 5 years 5 years
Rescue Service Available Optional Included Optional




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Seagate IronWolf Pro 6TB NAS Internal SATA Hard Drive ST6000NE0021 , Seagate SATA 12 TB NAS DRIVE (IRONWOLF)ST8000VN004: Computers & Accessories. ... Price: 6,599.00 FREE Delivery.Details. You Save ..... Seagate NAS HDD 2TB SATA 6GB NCQ 64 MB Cache Bare Drive ST2000VN000, ronWolf and IronWolf Pro hard drives are built for network attached storage enclosures providing 24×7 always on accessibility and meet the ever changing, ,

Seagate 6TB IronWolf Pro 7200 rpm SATA III 3.5" Internal NAS HDD Model ST6000NE0021


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