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Seagate

12.0TB
Enterprise Capacity 3.5-inch HDD (Helium)

3.5-Inch | SATA 6.0Gb/s | 7200RPM | 256MB Cache
Maximum Storage Capacity
for Highest Rack Space Efficiency
Built for Speed—Exactly Where It Is Needed
Among the industry's best response times for a nearline drive, the Seagate Enterprise Capacity 3.5 HDD (Helium) helps to enable some of the fastest data transfers possible.

Meet your storage workload requirements with an efficient data center footprint. Innovative technology advancements like PowerBalance™, PowerChoice™ and RAID Rebuild™, allow you to have the control to customize your bulk storage requirements for even greater TCO improvements.
Incredibly High Capacity Paired with World-Class Reliability
When building maximum density server and storage solutions with Seagate's Enterprise Capacity 3.5 HDD (Helium), you can rest easy knowing that your storage infrastructure can scale to meet your growing capacity needs while offering consistent and predictable response rates.

Enterprise Capacity 3.5 HDD (Helium) supports enterprise-class nearline workloads of 550TB/yr and is backed by a 2.5M-hour MTBF and 5-year limited warranty, helping to meet all of your bulk storage SLAs.
IT Pros Rate Seagate Enterprise HDDs as Best-In-Class for a 5th Consecutive Year
Seagate was again selected by IT professionals as the 2017 Market Leader for Enterprise HDDs. Get the full report to see the survey data behind the voting for Market, Performance, Reliability, Price, Service & Support and Innovation Leaders.
Note: This hard drive utilizes a new standardized mounting screw pattern that is not compatible with older Mac Pro models. In a Mac Pro tower, the drive can be installed in an empty optical drive bay using an OWC Hard Drive Bracket, OWC Multi-Mount Bracket for 2009/10/12 Mac Pro, or an OWC Multi-Mount Bracket for 2006/07/08 Mac Pro.

12.0TB Seagate Enterprise Capacity SED HDD (Helium) Specifications:

Specifications

Form Factor
3.5″ HDD
Interface
SATA 6Gb/s
Capacity1
12.0TB
Formatted Capacity2
11176GB
Rotational Speed
7,200RPM
Cache / Data Buffer
256MB
Manufacturer Model Number
ST12000NM0017
RoHS Compliant
Yes
Format

Physical

Height (max)
26.11mm (1.028″)
Width (max)
101.85mm (4.010″)
Length (max)
147.00mm (5.787″)
Weight (typical)
705g (1.55lbs.)
Data Heads
16
Number of Disks
8
Guaranteed Sectors
23,437,770,752
Bytes per Physical Sector
4096
Areal Density
923Gb/in2

Reliability3

MTBF (Mean Time Between Failures)
2,500,000 hours
Contact Start-Stops
600,000
Annual Failure Rate
0.35%
Nonrecoverable Read Errors
1 per 1015 bits read

Performance

I/O Transfer rate (Max)
600MB/s
Average Latency
4.16ms

Power

Maximum Start Current, DC (peak DC)
2.0 Amp
Read Power (random read 4K16Q)
9.48 Watts
Write Power (random write 4K16Q)
6.21 Watts
Average Idle Current
5.06 Watts
Power Supply Requirements
+12V and +5V

Environmental (Operating)

Shock(read/write)
70/40 Gs max at 2ms
Ambient Temperature (°F)
41°F to 140°F
Ambient Temperature (°C)
5°C to 60°C
Relative Humidity (non-condensing)
5% to 95%
Altitude
-304.8 m to 3,048 m (-1,000 ft to 10,000+ ft)

Environmental (Non-Operating)

Shock (Read / Write)
250G max at 2ms
Ambient Temperature (°F)
41°F to 140°F
Ambient Temperature (°C)
5°C to 60°C
Relative Humidity (non-condensing)
5% to 95%
Altitude
-304.8 m to 12,192 m (-1000 ft to 40,000+ ft)

Acoustics

Idle (Typical)
2.8 bels
Seek (Typical)
3.2 bels
  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.
Manufacturer provided specifications for Seagate p/n ST12000NM0017 UPC#: 763649089736
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.