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ST18000NM001J
18TB EXOS X18 HDD 512E/4KN SATA SED 3.5IN
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ST18000NM001J is a high-performance HDD engineered for enterprise applications, featuring a 3.5-inch form factor and a SATA III interface. The drive operates at 7200 RPM, offers an 18 TB storage capacity, and is equipped with a 256 MB cache to ensure efficient data handling for demanding workloads.
Designed with reliability in mind, ST18000NM001J supports an annual workload rating of 550 TB/yr and includes advanced features such as a helium-sealed design, vibration protection, and AgileArray technology. Its low power consumption of 7.0 Watts (read/write) and 5.3 Watts (idle) make it an ideal choice for use in data centers, desktops, NAS environments, surveillance systems, and other enterprise storage applications.
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 ST18000NM001J |  XA960ME10063 |  ST8000VN004 |  ST12000NE0008 |  ST4000VN008 | |
|---|---|---|---|---|---|
| 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 | Desktop / Server / NAS / Surveillance / Enterprise Storage | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS |
| Interface | SATA III | SATA III | 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 | 18 TB | 4 TB | 8 TB | 12 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 256 MB | 256 MB | 128 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 210 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr | 300 TB/yr |
| Power Consumption (Read/Write) | 7.0 Watts | 8 Watts | 7.0 Watts | 8.1 Watts | 6.8 Watts |
| Power Consumption (Idle) | 5.3 Watts | 4 Watts | 4.0 Watts | 5.5 Watts | 4.2 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit | No |
| Helium Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | No |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Advanced Features | AgileArray | Dual Actuator | Rotational Vibration Sensors | Rotational Vibration Sensors | N/A |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | ST18000NM001J 18TB Enterprise HDD | XA960ME10063 High Performance Enterprise HDD | Seagate Exos ST8000VN004 | Seagate Exos X12 12TB Enterprise Hard Drive | Seagate Barracuda ST4000VN008 |
| Height | 1.03 inches | 1.02 inches | 1.03 inches | 1.03 inches | 1.04 inches |
| Width | 5.79 inches | 5.79 inches | 5.78 inches | 4.00 inches | 5.79 inches |
| Depth | 8.74 inches | 8.26 inches | 8.26 inches | 5.79 inches | 4.00 inches |
| Weight | 2.1 lbs | 3.3 lbs | 4.0 lbs | 1.82 lbs | 1.2 lbs |
Massive 18TB capacity. The Exos X18 offers incredible data density and reliable enterprise performance.
Top-tier reliability for our cloud infrastructure. Fast SATA interface with impressive sequential transfer speeds.
Consistent performance even under heavy workloads. The SED feature provides the extra security we need.
Outstanding 18TB storage solution. Built for data centers, it delivers high efficiency and low latency.
Remarkable uptime in our massive RAID arrays. The best high-capacity drive for enterprise archives.
Stable and quiet for its size. The 512e format ensures compatibility with our legacy systems.
The ST18000NM001J offers 18 TB of raw storage capacity, ideal for large-scale data archiving and enterprise workloads.
It uses a SATA 6 Gb/s interface, ensuring broad compatibility with standard server and desktop controllers.
This drive supports both 512e (512-byte emulation) and native 4Kn (4,096-byte) sector formats for flexible deployment.
The drive comes in a 3.5-inch form factor and spins at 7,200 RPM to balance performance and power efficiency.