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Seagate

4.0TB IronWolf Pro NAS Hard Disk Drive

3.5-Inch | SATA 6.0Gb/s | 7200RPM | 128MB Cache
The Power of Agility for Everything NAS
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-optimized hard drive for the best-possible user experience.
  • IronWolf Health Management in Synology NAS1 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 optimized that maximizes responsiveness and uptime with NAS-aware Error Recovery Control.
  • Advanced power management saves energy and delivers the right power at the right time.
Actively Protect Your NAS with IronWolf Health Management1 in Synology DiskStations
  • Workload-aware monitoring providing peace of mind with notifications.
  • Synology DiskStation Manager 6.1 (DSM) notifications on drive health.
  • Intelligent analysis provides environmental and operational recommendations.
  • Automatically detects the IronWolf drive, which is DSM-compatible. No additional software or setup required.
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 Optimization
Do more with your NAS with multi-user optimization. Enabling user workloads of up to 180 TB/year on IronWolf and 300TB/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 Service2
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 with 95% customer satisfaction rating.

Register your IronWolf Pro drive to activate your free Rescue plan and you are covered for 2 years. Extended coverage options available at registration.
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 24x7 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 optimized for NAS in multi-RAID environments that not only handle the vibration, but also the high user workload rate in a high data traffic network. Enter multi-user technology—up to 180TB/yr for IronWolf, up to 300TB/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 10TB, 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.
1. IronWolf Health Management currently in beta. Features subject to change.
2. Rescue recovery services not available in all countries. Please contact your Seagate sales representative for further details.

4.0TB Seagate IronWolf Pro NAS HDD Specifications:

Specifications

Form Factor
3.5″ HDD
Interface
SATA 6Gb/s
Capacity1
4.0TB
Formatted Capacity2
3725GiB
Rotational Speed
7,200 RPM
Cache / Data Buffer
128MB
Manufacturer Model Number
ST4000NE0025
Format

Physical

Height (max)
26.1mm (1.028″)
Width (max)
101.9mm (4.010″)
Length (max)
146.99mm (5.787″)
Weight (typical)
680g (1.5 lbs.)

Reliability3

MTBF (Mean Time Between Failures)
1,200,000 hours
Reliability Rating(@ Full 24x7 Operation (AFR))
0.73%
Sector Size (Bytes per Logical Sector)
512E
Power-On Hours (per year)
8760
Nonrecoverable Read Errors
1 per 1015 bits read
Multi_User Technology (TB/yr)
300

Performance

Max Sustained Transfer Rate OD (MB/s)
214
Average Latency (ms)
4.16
Interface Ports
Single
Rotational Vibration @ 10-1500 Hz (rad/s2)
12.5

Power

Startup Current, Typical (12V,A)
2.0 Amp
Average Operating Power
6.7 Watts
Idle Average
6.0 Watts
Voltage Tolerance (5V)
±5%
Standby Mode (Typical)
0.6 Watts
Sleep Mode (Typical)
0.6 Watts
Power Supply Requirements
+12V and +5V

Environmental (Operating)4

Shock: 2ms (Read/Write) (Gs)
70/40
Ambient Temperature (°F)
41°F to 140°F
Ambient Temperature (°C)
5°C to 60°C
Altitude
-304.8 m to 3,048 m (-1,000 ft to 10,000+ ft)

Environmental (Non-Operating)

Shock: 1ms and 2ms (Gs)
300
Ambient Temperature (°F)
-40°F to 158°F
Ambient Temperature (°C)
-40°C to 70°C
Altitude
-304.8 m to 12,192 m (-1000 ft to 40,000+ ft)
Halogen Free
Yes
  1. 1GB = 1,000,000,000 bytes. Total accessible capacity varies depending upon operating environment (typically 5-10% less). The actual total capacity will depend on your own defined file settings/preferences.
  2. In terms of standard gigabytes, 1GiB ≈ 1.074GB and refers to the actual formatted capacity as shown under Mac OS 10.5 or earlier and Microsoft Windows OS.
  3. Specific application environments such as temperature and duty cycle will affect the overall reliability rates.
  4. Seagate does not recommend operating at sustained case temperatures above 60°C. Operating at higher temperatures will reduce useful life of the product.
Manufacturer provided specifications for Seagate p/n ST4000NE0025 UPC#: 763649111314
This product is compatible with... Learn how to find your Mac's model ID
Mac Pro
Mac Pro 12-Core (Mid 2012)
(June, 2010)
Model ID: MacPro5,1
2.4GHz, 2.66GHz, 3.06GHz
Mac Pro
Mac Pro 6-Core (Mid 2012)
(June, 2012)
Model ID: MacPro5,1
3.33GHz
Mac Pro
Mac Pro 4-Core (Mid 2012)
(June, 2012)
Model ID: MacPro5,1
3.2GHz
Mac Pro
Mac Pro 12-Core (Mid 2010)
(July, 2010)
Model ID: MacPro5,1
2.66GHz, 2.93GHz
Mac Pro
Mac Pro 8-Core (Mid 2010)
(July, 2010)
Model ID: MacPro5,1
2.4GHz
Mac Pro
Mac Pro 6-Core (Mid 2010)
(July, 2010)
Model ID: MacPro5,1
3.33GHz
Mac Pro
Mac Pro 4-Core (Mid 2010)
(July, 2010)
Model ID: MacPro5,1
2.8GHz, 3.2GHz
Mac Pro
Mac Pro 8-Core (Early 2009)
(March, 2009)
Model ID: MacPro4,1
2.26GHz, 2.66GHz, 2.93GHz
Mac Pro
Mac Pro 4-Core (Early 2009)
(March, 2009)
Model ID: MacPro4,1
2.66GHz, 2.93GHz, 3.33GHz
Mac Pro
Mac Pro 8-Core (Early 2008)
(January, 2008)
Model ID: MacPro3,1
2.8GHz, 3.0GHz, 3.2GHz
Mac Pro
Mac Pro 4-Core (Early 2008)
(January, 2008)
Model ID: MacPro3,1
2.8GHz
Mac Pro
Mac Pro 8-core (Early 2007)
(April, 2007)
Model ID: MacPro2,1
3.0GHz
Mac Pro
Mac Pro 4-core (Mid 2006)
(August, 2006)
Model ID: MacPro1,1
2.0GHz, 2.66GHz, 3.0GHz
PowerMac G5
Power Mac G5 (Late 2005)
(October, 2005)
Model ID: PowerMac11,2
2.0GHz, 2.3GHz, dual 2.5GHz
PowerMac G5
Power Mac G5 (Early 2005)
(April, 2005)
Model ID: PowerMac7,2
dual 2.0GHz
PowerMac G5
Power Mac G5 (Early 2005)
(April, 2005)
Model ID: PowerMac7,3
dual 2.3GHz, dual 2.7GHz
PowerMac G5
Power Mac G5 (Late 2004)
(October, 2004)
Model ID: PowerMac9,1
1.8GHz
PowerMac G5
Power Mac G5 (June 2004)
(June, 2004)
Model ID: PowerMac7,3
dual 1.8GHz, dual 2.0GHz, dual 2.5GHz
PowerMac G5
Power Mac G5
(June, 2003)
Model ID: PowerMac7,2
1.6GHz, 1.8GHz, dual 1.8GHz, dual 2.0GHz
iMac Intel
iMac (27-inch Late 2013)
(September, 2013)
Model ID: iMac14,2
2.9GHz i5, 3.2GHz i5, 3.4GHz i7
iMac Intel
NOT COMPATIBLE
iMac (21.5-inch Late 2013)
(September, 2013)
Model ID: iMac14,1; iMac14,3
2.7GHz i5, 2.9GHz i5, 3.1GHz i7
iMac Intel
iMac (27-inch Late 2012)
(November, 2012)
Model ID: iMac13,2
2.9GHz i5, 3.2GHz i5, 3.4GHz i7
iMac Intel
NOT COMPATIBLE
iMac (21.5-inch Late 2012)
(November, 2012)
Model ID: iMac13,1
2.7GHz i5, 2.9GHz i5, 3.1GHz i7
iMac Intel
iMac (21.5-inch Late 2011)
(August, 2011)
Model ID: iMac12,1
3.1GHz i3
iMac Intel
iMac (27-inch Mid 2011)
(May, 2011)
Model ID: iMac12,2
2.7GHz i5, 3.1GHz i5, 3.4GHz i7
iMac Intel
iMac (21.5-inch Mid 2011)
(May, 2011)
Model ID: iMac12,1
2.5GHz i5, 2.7GHz i5, 2.8GHz i7
iMac Intel
iMac (27-inch Mid 2010)
(July, 2010)
Model ID: iMac11,3
2.8GHz, 2.93GHz, 3.2GHz, 3.6GHz
iMac Intel
iMac (21.5-inch Mid 2010)
(July, 2010)
Model ID: iMac11,2
3.06GHz, 3.2GHz, 3.6GHz
iMac Intel
iMac (27-inch Late 2009)
(October, 2009)
Model ID: iMac10,1
3.06GHz, 3.33GHz
iMac Intel
iMac (27-inch Late 2009)
(October, 2009)
Model ID: iMac11,1
2.66GHz, 2.8GHz
iMac Intel
iMac (21.5-inch Late 2009)
(October, 2009)
Model ID: iMac10,1
3.06GHz, 3.33GHz
iMac Intel
iMac (24-inch Mid 2009)
(April, 2009)
Model ID: iMac9,1
2.0GHz
iMac Intel
iMac (24-inch Early 2009)
(March, 2009)
Model ID: iMac9,1
2.66GHz, 2.93GHz, 3.06GHz
iMac Intel
iMac (20-inch Early 2009)
(March, 2009)
Model ID: iMac9,1
2.66GHz
iMac Intel
iMac (24-inch Early 2008)
(April, 2008)
Model ID: iMac8,1
2.8GHz, 3.06GHz
iMac Intel
iMac (20-inch Early 2008)
(April, 2008)
Model ID: iMac8,1
2.4GHz, 2.66GHz
iMac Intel
iMac (24-inch Mid 2007)
(August, 2007)
Model ID: iMac7,1
2.4GHz, 2.8GHz
iMac Intel
iMac (20-inch Mid 2007)
(August, 2007)
Model ID: iMac7,1
2.0GHz, 2.4GHz
iMac Intel
iMac (24-inch Late 2006)
(September, 2006)
Model ID: iMac6,1
2.16GHz, 2.33GHz
iMac Intel
iMac (20-inch Late 2006)
(September, 2006)
Model ID: iMac5,1
2.16GHz, 2.33GHz
iMac Intel
iMac (17-inch Late 2006)
(September, 2006)
Model ID: iMac5,1
2.0GHz, 2.16GHz
iMac Intel
iMac (17-inch Late 2006)
(September, 2006)
Model ID: iMac5,2
1.83GHz
iMac Intel
iMac (20-inch Early 2006)
(January, 2006)
Model ID: iMac4,1
2.0GHz
iMac Intel
iMac (17-inch Early 2006)
(January, 2006)
Model ID: iMac4,1
1.83GHz
iMac G5
iMac G5 (20-inch iSight)
(October, 2005)
Model ID: PowerMac12,1
2.1GHz
iMac G5
iMac G5 (17-inch iSight)
(October, 2005)
Model ID: PowerMac12,1
1.9GHz
iMac G5
iMac G5 (20-inch Ambient Light Sensor)
(May, 2005)
Model ID: PowerMac8,2
2.0GHz
iMac G5
iMac G5 (17-inch Ambient Light Sensor)
(May, 2005)
Model ID: PowerMac8,2
1.8GHz, 2.0GHz
iMac G5
iMac G5 (20-inch)
(August, 2004)
Model ID: PowerMac8,1
1.8GHz
iMac G5
iMac G5 (17-inch)
(August, 2004)
Model ID: PowerMac8,1
1.6GHz, 1.8GHz
PowerMac G4
Power Mac G4
Models equipped with a SATA Controller Card
PC Desktop
PC Desktops
Compatible with Intel / AMD Processor based PCs with an available 3.5" HDD bay running 64-bit operating systems, like Windows™ 8, Windows™ 7 and Windows Vista™.
32-bit or earlier operating systems may not recognize over 2.2TB capacity.
3.5-inch Enclosures
3.5" SATA Enclosures
If upgrading/replacing an HDD with an existing external enclosure, please confirm the enclosure supports drives greater than 2.2TB. Pre-2009 enclosures are typically limited to 2.2TB and support may vary for models after 2009.

Warranty

The best warranty is one you never have to use - but should the need occur - we're proud to provide a superior level of support and service coverage to our customers.

90 Day OWC Replacement Warranty
OWC is proud to offer an extended replacement window of 90 days on new internal hard disk drives. Once a return authorization number has been issued and we receive the problematic drive back, you will get a brand new replacement drive, rather than a factory refurbished drive.

5 Year Seagate Warranty
After 90 days, the drive is fully backed by the manufacturer to be free from defects in material and workmanship for the remainder of the three year warranty period.
Seagate 4.0TB IronWolf NAS Hard Disk Drive Mfr P/N: ST4000NE0025 OWC SKU: SEAST4000NE0025 128MB Cache 7200RPM
Enterprise Class with 24 x 7 operation, NAS applications in 1- to 16-bay enclosures, & 1.2 million hours MTBF
3.5-inch Hard Disk Drive.
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