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4TB Exos enterprise drive offers reliable performance and durability.
ST4000NM000A
Enterprise ST4000NM000A - 3.5" - 4000 GB - 7200 RPM
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ST4000NM000A
Enterprise ST4000NM000A - 3.5" - 4000 GB - 7200 RPM
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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 |  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 |
4TB Exos enterprise drive offers reliable performance and durability.
Consistent 7200 RPM speeds for business servers.
Stable SATA performance with predictable uptime.
Dependable storage for enterprise arrays.
Solid enterprise HDD with strong reliability.
The ST4000NM000A uses a SATA 6 Gb/s enterprise-grade interface for high-throughput connectivity and broad system compatibility.
This drive is built in a 3.5-inch form factor, ideal for standard server, NAS and enterprise storage enclosures.
The ST4000NM000A delivers 4 000 GB (4 TB) of raw storage, accommodating large datasets, backups, and virtualized workloads.
This drive spins at 7 200 RPM, balancing performance and power efficiency for mixed read/write enterprise applications.