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Exos X16 12TB delivers enterprise reliability with consistent 7200 RPM speeds.
ST12000NM001G
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Enterprise Exos X16 - 3.5" - 12000 GB - 7200 RPM
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ST12000NM001G
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- Enterprise Exos X16 - 3.5" - 12000 GB - 7200 RPM
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ST12000NM001G Overview
ST12000NM001G is an enterprise HDD engineered for rigorous workloads in data centers, servers, NAS and surveillance systems. This 3.5-inch drive features a SAS 12Gb/s interface, a 7200 RPM spindle speed, a 12 TB storage capacity and a 256 MB cache, while its design incorporates helium-sealed technology and robust vibration protection for enhanced performance in demanding environments.
ST12000NM001G is rated with an MTBF of 2.5 million hours and an annual workload rating of 550 TB/yr, ensuring continuous and reliable operation around the clock. Optimized for energy efficiency with power consumption figures of 8.9 Watts during read/write operations and 6.0 Watts at idle, this drive is ideally suited for enterprise storage applications in data centers, desktops, NAS, and surveillance deployments.
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ST12000NM001G Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Desktop / Server / NAS / Surveillance / Enterprise Storage
- Interface
- SAS 12Gb/s
- Form Factor
- 3.5-inch
- Storage Capacity
- 12 TB
- Spindle Speed (RPM)
- 7200 RPM
- Cache (Buffer Size)
- 256 MB
- Average Latency
- N/A
- Data Transfer Rate
- Up to 250 MB/s
- Annual Workload Rating
- 550 TB/yr
- Power Consumption (Read/Write)
- 8.9 Watts
- Power Consumption (Idle)
- 6.0 Watts
- Encryption Support
- AES 256-bit
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- Rotational Vibration Sensors
- Operating Temperature
- 5–60°C
- Product Name
- Seagate Exos X12 12TB Enterprise Hard Drive
- Height
- 1.03 inches
- Width
- 4.00 inches
- Depth
- 5.79 inches
- Weight
- 2.00 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| ST12000NM001G |  ST8000NM0055 |  STJL5000400 |  ST4000NM002A |  ST16000VE000 | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Desktop / Server / NAS / Surveillance / Enterprise Storage | Enterprise Storage / Server | Desktop / Server / NAS / Surveillance / Enterprise Storage | Server / Enterprise Storage | Enterprise Storage |
| Interface | SAS 12Gb/s | SAS 12Gb/s | SATA III | SAS 12Gb/s | SAS 12Gb/s |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 12 TB | 8 TB | 4 TB | 4 TB | 16 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 128 MB | 256 MB | 512 MB |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Data Transfer Rate | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 300 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 180 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8.9 Watts | 8.3 Watts | 8 Watts | N/A | 9.0 W |
| Power Consumption (Idle) | 6.0 Watts | 6.5 Watts | 5 Watts | N/A | 6.0 W |
| Encryption Support | AES 256-bit | No | AES 256-bit | No | AES 256-bit |
| Helium Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Advanced Features | Rotational Vibration Sensors | Rotational Vibration Sensors | Dual Actuator | N/A | Rotational Vibration Sensors |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | Seagate Exos X12 12TB Enterprise Hard Drive | Seagate Exos X ST8000NM0055 8TB Enterprise Hard Drive | STJL5000400 | ST4000NM002A | Seagate Exos X16 ST16000VE000 |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1 inch | 1.03 in |
| Width | 4.00 inches | 4 inches | 5.79 inches | 5.79 inches | 4.00 in |
| Depth | 5.79 inches | 5.79 inches | 8.27 inches | 4 inches | 5.79 in |
| Weight | 2.00 lbs | 1.85 lbs | 2.1 lbs | 2.0 lbs | 4.85 lbs |
Reviews & Ratings
M
Mila Prescott
5
Strong performance for large-scale storage arrays.
D
Derek Langdon
4
Reliable SATA III enterprise drive.
C
Clara Bennettford
4
Stable throughput and durable design.
M
Marcus Carr
5
Professional enterprise HDD for demanding workloads.
Questions & Answers
What is the storage capacity of the Seagate Enterprise Exos X16 ST12000NM001G?
The Seagate Enterprise Exos X16 ST12000NM001G offers 12 TB of raw storage capacity in a single 3.5" drive.
What form factor and rotational speed does the Exos X16 use?
The Exos X16 is a 3.5" drive spinning at 7,200 RPM, optimized for enterprise data-center workloads.
Which interface does the Enterprise Exos X16 ST12000NM001G support?
This drive uses a dual-port Serial Attached SCSI (SAS) 12 Gb/s interface for high availability and throughput.
What is the maximum sustained data transfer rate of this Seagate drive?
The Exos X16 delivers up to 261 MB/s sustained data transfers under sequential workloads.
What workload rate is the 12 TB Exos X16 rated for?
Seagate rates the Exos X16 for a 550 TB per year workload, making it ideal for heavy-duty enterprise use.
What is the Mean Time Between Failures (MTBF) for the ST12000NM001G?
The MTBF for the Exos X16 is 2.5 million hours, reflecting enterprise-class reliability.
Does the Exos X16 include rotational vibration sensors?
Yes, the Exos X16 features integrated rotational vibration (RV) sensors to maintain performance in multi-drive environments.
What warranty coverage comes with the Seagate Enterprise Exos X16?
The ST12000NM001G includes a five-year limited warranty backed by Seagate’s global support network.
What are the power consumption specifications for the Exos X16?
Under typical load, the Exos X16 consumes 8.6 W during read/write and 5.5 W at idle.
What operating temperature range does this enterprise drive support?
The Exos X16 operates reliably between 5 °C and 60 °C.
Can I use the ST12000NM001G in RAID configurations?
Yes, the Exos X16 is fully qualified for hardware RAID arrays in enterprise storage systems.
Is the Exos X16 compatible with common operating systems?
The drive supports all major server OS platforms including Windows Server, Linux distributions, VMware and UNIX variants.
How do I install the Enterprise Exos X16 in my server?
Mount the 3.5" Exos X16 drive into a standard SAS drive bay, connect the SAS cables, and configure in your RAID or HBA controller.
What is the average latency of the ST12000NM001G Exos X16?
With a 7,200 RPM spindle speed, the average rotational latency is approximately 4.16 ms.
Does the Seagate Exos X16 support PowerChoice technology?
Yes, it includes PowerChoice features to optimize power consumption during idle and standby modes.
What makes the Exos X16 ST12000NM001G suitable for data centers?
Its high capacity, 12 Gb/s SAS interface, enterprise reliability, RV sensors and 550 TB/year rating make it ideal for modern data-center workloads.