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4TB Exos 7E8 enterprise drive delivers stable SATA performance.
ST4000NM002A
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4TB EXOS 7E8 HDD 512E 4KN SATA SSD
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ST4000NM002A
- Description:
- 4TB EXOS 7E8 HDD 512E 4KN SATA SSD
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- Brand:
- Seagate
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ST4000NM002A Overview
ST4000NM002A is a high-performance HDD engineered for enterprise environments. It comes in a 3.5-inch form factor with a SAS 12Gb/s interface and a spindle speed of 7200 RPM, delivering a robust 4 TB of storage with a 256 MB cache, and is rated for an annual workload of 550 TB/yr with an MTBF of 2,000,000 hours and reliable 24/7 operation.
Optimized for server and data center use, this drive features helium-sealed construction and vibration protection, ensuring stable performance in multi-bay configurations. Its design supports applications in data centers, desktops, NAS, and surveillance systems while balancing power consumption for enterprise efficiency.
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ST4000NM002A Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Server / Enterprise Storage
- Interface
- SAS 12Gb/s
- Form Factor
- 3.5-inch
- Storage Capacity
- 4 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)
- N/A
- Power Consumption (Idle)
- N/A
- Encryption Support
- No
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- N/A
- Operating Temperature
- 5–60°C
- Product Name
- ST4000NM002A
- Height
- 1 inch
- Width
- 5.79 inches
- Depth
- 4 inches
- Weight
- 2.0 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| ST4000NM002A |  ST10000NE0008 |  ST300MP0006 |  ST16000NE000 |  ZP960NM30011 | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Server / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Enterprise Storage / Data Centers | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SAS 12Gb/s | SAS 12Gb/s | SATA III | SAS 12Gb/s | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 4 TB | 10 TB | 3 TB | 16 TB | 8 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 64 MB | 512 MB | 256 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 210 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 300 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | N/A | 8.5 Watts | 8 Watts | 8.0 Watts | 7.2 Watts |
| Power Consumption (Idle) | N/A | 5.5 Watts | 6 Watts | 5.0 Watts | 4.0 Watts |
| Encryption Support | No | No | No | AES 256-bit | 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 | N/A | Rotational Vibration Sensors | Dual Actuator | Rotational Vibration Sensors | Dual Actuator |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–55°C | 5–55°C |
| Product Name | ST4000NM002A | ST10000NE0008 Enterprise HDD | ST300MP0006 | Seagate Exos X16 (ST16000NE000) | ZP960NM30011 Enterprise HDD |
| Height | 1 inch | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Width | 5.79 inches | 5.79 inches | 5.79 inches | 4 inches | 5.79 inches |
| Depth | 4 inches | 4.01 inches | 4.01 inches | 5.79 inches | 4.01 inches |
| Weight | 2.0 lbs | 2.1 lbs | 2.1 lbs | 1.85 lbs | 1.8 lbs |
Reviews & Ratings
I
Isabelle Delgado
5
Reliable 7200 RPM speeds for business arrays.
M
Marcus Prescottfield
4
Consistent uptime in enterprise environments.
A
Ariana Whitcomb
5
Dependable storage solution with strong durability.
T
Trevor Randallfield
4
Professional HDD for demanding workloads.
Questions & Answers
What is the storage capacity and form factor of the ST4000NM002A EXOS 7E8?
The ST4000NM002A EXOS 7E8 provides 4 TB of raw capacity in a 3.5-inch form factor, optimized for enterprise storage and high-density data centers.
Which interface does the 4TB EXOS 7E8 use and is it compatible with my server?
The drive uses a SATA 6 Gb/s interface, compatible with standard SATA ports on servers, workstations, and NAS systems supporting 3.5-inch drives.
What is the rotational speed of the ST4000NM002A?
The EXOS 7E8 operates at 7200 RPM, delivering consistent performance for mixed random and sequential workloads.
How much cache memory does the EXOS 7E8 offer?
It features 256 MB of cache, which buffers data transfer and enhances read/write efficiency under heavy loads.
What do 512e and 4Kn mean on the ST4000NM002A drive?
512e (512-byte emulation) and 4Kn (4 KB native) are sector formats; 512e ensures compatibility with legacy systems while 4Kn maximizes performance and capacity in modern environments.
What sequential read and write speeds can I expect?
The EXOS 7E8 delivers up to 250 MB/s sustained sequential transfer rates, ideal for large file storage and streaming applications.
What workload is the EXOS 7E8 designed for?
It’s engineered for enterprise-class workloads up to 550 TB/year, supporting business-critical applications, virtualization, and large-scale data archives.
How reliable is the 4TB EXOS 7E8 in continuous operation?
With a 2.5 million-hour MTBF rating and rotational vibration sensors, the drive ensures high reliability and data integrity in multi-drive enclosures.
What are the power consumption specifications?
Typical active power is 6.8 W, idle power is 4.2 W, and power-save mode drops below 2 W, minimizing operating costs in large arrays.
What is the operating temperature range for the EXOS 7E8?
It operates between 5 °C and 60 °C, supporting data center environmental controls and free-air cooling setups.
How loud is the drive during operation?
Acoustic noise is rated at 36 dBA during seek and 29 dBA while idle, ensuring a quiet data center or office environment.
Does the ST4000NM002A support hardware encryption?
Yes, it offers optional SED (Self-Encrypting Drive) capability with FIPS 140-2-certified encryption for secure data at rest.
What warranty and service are included?
The drive comes with a five-year limited warranty and 24/7 Seagate Rescue Data Recovery Services, ensuring fast replacement and data protection.
Can I use the EXOS 7E8 in a desktop PC?
While physically compatible with desktop SATA bays, it’s optimized for enterprise workloads; desktop use may not leverage its full durability and workload rating.
How do I install the ST4000NM002A in my server or NAS?
Mount the 3.5-inch drive into a SATA bay, connect the SATA data and power cables, then configure it in your RAID controller or OS storage manager.
What sets the EXOS 7E8 apart from standard desktop hard drives?
The EXOS 7E8 offers enterprise-grade reliability (2.5 M-hour MTBF), higher workload ratings, vibration tolerance, and optional encryption—features not typical in desktop HDDs.