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4TB Exos enterprise drive offers reliable performance and durability.
ST4000NM000A
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Enterprise ST4000NM000A - 3.5" - 4000 GB - 7200 RPM
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ST4000NM000A
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- Enterprise ST4000NM000A - 3.5" - 4000 GB - 7200 RPM
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ST4000NM000A Overview
ST4000NM000A is a high-capacity HDD engineered for enterprise storage environments. This 3.5-inch drive, featuring a SATA III interface and a spindle speed of 7200 RPM, offers a robust 4 TB capacity paired with a 128 MB cache to deliver efficient data handling and rapid access. Rated for an annual workload of 550 TB/yr and built with a projected MTBF of 2,000,000 hours, it ensures exceptional reliability for mission-critical applications operating 24/7 (8,760 rated hours per year).
Designed with advanced features such as a helium-sealed enclosure, built-in vibration protection, and dual actuator technology, the ST4000NM000A is optimized for demanding use cases including data centers, enterprise servers, and high-performance storage systems. Its balanced power consumption of approximately 8.5 Watts during active read/write operations and 6.5 Watts in idle mode makes it an ideal solution for energy-sensitive environments where both performance and endurance are paramount.
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ST4000NM000A Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Enterprise Storage
- Interface
- SATA III
- Form Factor
- 3.5-inch
- Storage Capacity
- 4 TB
- Spindle Speed (RPM)
- 7200 RPM
- Cache (Buffer Size)
- 128 MB
- Average Latency
- N/A
- Data Transfer Rate
- Up to 250 MB/s
- Annual Workload Rating
- 550 TB/yr
- Power Consumption (Read/Write)
- 8.5 Watts
- Power Consumption (Idle)
- 6.5 Watts
- Encryption Support
- AES 256-bit
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- Dual Actuator
- Operating Temperature
- 5–55°C
- Product Name
- ST4000NM000A
- Height
- 1.0 inches
- Width
- 5.8 inches
- Depth
- 8.3 inches
- Weight
- 1.8 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| ST4000NM000A |  ZA1000NM1A002 |  ST1000VN002 |  ST1000NM0008 |  ST2000NX0403 | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SATA III | SATA III | SATA III | SAS 6Gb/s |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 2.5-inch | 3.5-inch |
| Storage Capacity | 4 TB | 10 TB | 1 TB | 1 TB | 2 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 128 MB | 256 MB | 64 MB | 32 MB | 128 MB |
| Average Latency | N/A | N/A | N/A | 4.17 ms | N/A |
| Data Transfer Rate | Up to 250 MB/s | Up to 300 MB/s | Up to 210 MB/s | Up to 210 MB/s | Up to 300 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8.5 Watts | 8 Watts | 8.5 Watts | 6.0 Watts | 8.0 Watts |
| Power Consumption (Idle) | 6.5 Watts | 5 Watts | 6.8 Watts | 3.2 Watts | 5.0 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | No | AES 256-bit | AES 256-bit |
| Helium Sealed | Helium-Sealed | Helium-Sealed | No | No | Helium-Sealed |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Advanced Features | Dual Actuator | Dual Actuator | Rotational Vibration Sensors | Rotational Vibration Sensors | Rotational Vibration Sensors |
| Operating Temperature | 5–55°C | 5–60°C | 5–60°C | 5–60°C | 5–55°C |
| Product Name | ST4000NM000A | ZA1000NM1A002 Enterprise HDD | Seagate ST1000VN002 Enterprise HDD | HGST Ultrastar 7K4000 | Seagate ST2000NX0403 |
| Height | 1.0 inches | 1.03 | 1.03 inches | 0.39 inches | 1.03 inches |
| Width | 5.8 inches | 5.79 | 4.00 inches | 2.75 inches | 4 inches |
| Depth | 8.3 inches | 7.78 | 5.79 inches | 3.95 inches | 5.79 inches |
| Weight | 1.8 lbs | 2.0 | 1.8 lbs | 0.82 lbs | 1.8 lbs |
Reviews & Ratings
I
Isabelle Harmon
4
Consistent 7200 RPM speeds for business servers.
C
Caleb Randall
5
Stable SATA performance with predictable uptime.
S
Sofia Kingsley
5
Dependable storage for enterprise arrays.
V
Victor Monroe
5
Solid enterprise HDD with strong reliability.
Questions & Answers
What interface does the ST4000NM000A drive use?
The ST4000NM000A uses a SATA 6 Gb/s enterprise-grade interface for high-throughput connectivity and broad system compatibility.
What is the form factor of the ST4000NM000A?
This drive is built in a 3.5-inch form factor, ideal for standard server, NAS and enterprise storage enclosures.
What is the storage capacity of the ST4000NM000A?
The ST4000NM000A delivers 4 000 GB (4 TB) of raw storage, accommodating large datasets, backups, and virtualized workloads.
What spindle speed does the ST4000NM000A offer?
This drive spins at 7 200 RPM, balancing performance and power efficiency for mixed read/write enterprise applications.
How much cache memory does the ST4000NM000A have?
It features a 64 MB DRAM cache buffer to accelerate data transfers and reduce access latency.
What is the mean time between failures (MTBF) for this drive?
The ST4000NM000A is rated for a 1.2 million-hour MTBF, reflecting robust reliability in 24/7 enterprise environments.
What annual workload is the ST4000NM000A designed for?
It supports up to 550 TB/year of workload, making it suitable for high-transaction database and virtualized environments.
Is the ST4000NM000A hot-swappable?
Yes. When used in a compatible backplane or RAID controller, the drive supports hot-swap insertion and removal.
What operating temperatures does the ST4000NM000A require?
The drive operates reliably between 5 °C and 60 °C ambient temperature in properly ventilated enclosures.
What power consumption can I expect from this drive?
Typical power draw is 6.8 W during active operation, 3.8 W idle, and 0.8 W in standby mode.
What warranty does the ST4000NM000A include?
Seagate backs this drive with a 5-year limited warranty and global enterprise support services.
Which workloads are ideal for the ST4000NM000A?
This drive excels in RAID arrays, SAN/NAS storage, databases, virtualization and streaming applications.
How do I install the ST4000NM000A in my server?
Mount the 3.5″ drive in the hot-swap bay or tray, connect the SATA cable and power, then configure in your RAID or OS utility.
How does this enterprise drive differ from a consumer HDD?
Compared to desktop drives, it offers higher workload ratings, extended MTBF, vibration tolerance and 24/7 reliability.
Is built-in encryption supported on the ST4000NM000A?
No. This model does not include hardware encryption; implement encryption at the system or controller level if required.
Which operating systems are compatible with the ST4000NM000A?
It is compatible with all major OS platforms (Windows, Linux, UNIX, VMware) via standard SATA drivers.