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Reliable 2TB enterprise storage. The 2.5-inch design is perfect for our compact server configurations.
ST2000NX0403
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Enterprise ST2000NX0403 - 2.5" - 2000 GB - 7200 RPM
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ST2000NX0403
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- Enterprise ST2000NX0403 - 2.5" - 2000 GB - 7200 RPM
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ST2000NX0403 Overview
ST2000NX0403 is a high-performance HDD built in a 3.5-inch form factor with a reliable SAS 6Gb/s interface and a 7200 RPM spindle speed. It offers a capacity of 2 TB paired with a sizable 128 MB cache, making it suitable for high-demand applications in data centers, desktops, NAS setups, and surveillance systems.
ST2000NX0403 is rated for an annual workload of 550 TB/yr and an MTBF of 2,000,000 hours to ensure consistent 24/7 operation. Engineered with helium-sealed construction, integrated vibration protection, and rotational vibration sensors, this drive also features efficient power consumption—approximately 8.0 Watts during read/write operations and 5.0 Watts in idle mode—tailoring it perfectly for enterprise storage and mixed-use environments.
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ST2000NX0403 Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Desktop / Server / NAS / Surveillance / Enterprise Storage
- Interface
- SAS 6Gb/s
- Form Factor
- 3.5-inch
- Storage Capacity
- 2 TB
- Spindle Speed (RPM)
- 7200 RPM
- Cache (Buffer Size)
- 128 MB
- Average Latency
- N/A
- Data Transfer Rate
- Up to 300 MB/s
- Annual Workload Rating
- 550 TB/yr
- Power Consumption (Read/Write)
- 8.0 Watts
- Power Consumption (Idle)
- 5.0 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
- 5–55°C
- Product Name
- Seagate ST2000NX0403
- Height
- 1.03 inches
- Width
- 4 inches
- Depth
- 5.79 inches
- Weight
- 1.8 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| ST2000NX0403 |  ST14000NM001G |  ST2000NX0273 |  ST6000VN0033 |  ST6000VN001 | |
|---|---|---|---|---|---|
| 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 | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Enterprise Storage |
| Interface | SAS 6Gb/s | SAS 12Gb/s | SAS 12Gb/s | SATA III | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 2 TB | 14 TB | 2 TB | 6 TB | 6 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 128 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Average Latency | N/A | N/A | 4.16 ms | N/A | 4.17 ms |
| Data Transfer Rate | Up to 300 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 210 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8.0 Watts | 9 Watts | 8 Watts | 8.5 Watts | 9.6 W |
| Power Consumption (Idle) | 5.0 Watts | 6 Watts | 4.5 Watts | 5.5 Watts | 6.8 W |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | No | No |
| 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 | Dual Actuator | Dual Actuator | N/A | Rotational Vibration Sensors |
| Operating Temperature | 5–55°C | 5–60°C | 5–60°C | 5–60°C | 5–55°C |
| Product Name | Seagate ST2000NX0403 | ST14000NM001G | Seagate ST2000NX0273 | Seagate Exos ST6000VN0033 6TB Enterprise HDD | ST6000VN001 6TB Enterprise SATA Hard Drive |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Width | 4 inches | 4.0 inches | 5.79 inches | 5.79 inches | 5.79 inches |
| Depth | 5.79 inches | 5.79 inches | 4.03 inches | 4.01 inches | 8.74 inches |
| Weight | 1.8 lbs | 1.95 lbs | 1.83 lbs | 1.83 lbs | 1.8 lbs |
Reviews & Ratings
W
Willa Kemp
5
Fast and stable 7200 RPM performance. Ideal for small form factor storage arrays.
K
Killian Moss
4
Strong durability and consistent uptime. These drives handle our server workloads with ease.
T
Thea Dalton
5
Exceptional reliability in a compact package. Perfect for high-density data center deployments.
A
Arthur Briggs
4
Consistent data transfer rates. The ST2000NX0403 provides reliable performance for mission-critical apps.
F
Flora Kent
5
Professional-grade storage with excellent build quality. Very stable under heavy continuous workloads.
Questions & Answers
What is the storage capacity of the ST2000NX0403 Enterprise drive?
The ST2000NX0403 offers 2,000 GB (2 TB) of raw storage capacity in a single drive.
What form factor does the ST2000NX0403 use?
This drive features a compact 2.5-inch form factor suitable for high-density server and enterprise applications.
Which interface does the ST2000NX0403 support?
The ST2000NX0403 uses a SATA 6 Gb/s interface for seamless integration with modern server and storage systems.
What is the rotational speed of the ST2000NX0403?
The drive spins at a sustained 7,200 RPM to balance performance and reliability in enterprise environments.
What is the typical sustained data transfer rate?
The ST2000NX0403 delivers up to 210 MB/s sustained data transfer rate under optimal conditions.
What is the average latency of this enterprise drive?
With a 7,200 RPM spindle, the drive achieves an average latency of approximately 4.16 ms.
What is the MTBF rating for the ST2000NX0403?
This enterprise-class drive is rated for 2 million hours Mean Time Between Failures (MTBF).
How long is the warranty on the ST2000NX0403?
The ST2000NX0403 comes with a 5-year limited manufacturer’s warranty for enterprise deployments.
What workload rating does the ST2000NX0403 have?
It supports up to 550 TB per year workload rating, making it ideal for 24/7 enterprise use.
What are the primary use cases for this drive?
Designed for data centers, RAID arrays, virtualization hosts, and other mission-critical server environments.
What are the operating temperature specifications?
The drive operates reliably between 0 °C and 60 °C (32 °F to 140 °F) ambient temperature.
How much power does the ST2000NX0403 consume?
It consumes approximately 5.4 W during active read/write and 4.6 W at idle.
How does the drive handle shock and vibration?
Engineered for 2.16 g RMS vibration and 70 g shock tolerance in operational and non-operational states.
Is the ST2000NX0403 compatible with major server brands?
Yes, it is plug-and-play compatible with standard SATA backplanes from Dell, HP, IBM and other leading vendors.
Does this drive support hot-swapping?
The ST2000NX0403 supports hot-swap functionality when used in compatible enterprise backplane enclosures.
What cache size does the ST2000NX0403 include?
This drive features a 64 MB enterprise-class cache buffer to accelerate read/write performance.
What are the physical dimensions and weight?
The drive measures 100.2 × 70.1 × 15 mm and weighs approximately 205 g for easy rack integration.