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ST8000NM0055
3.5 8TB 7.2K SATA 6GBPS 256 MB 3.5 8TB 7.2K SATA 6GBPS 256 M...
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ST8000NM0055 is an 8 TB enterprise HDD engineered for high-demand data center and server applications. Designed in a 3.5-inch form factor, it features a SAS 12Gb/s interface, a spindle speed of 7200 RPM, and a substantial 256 MB cache. This drive is built to deliver a robust annual workload rating of 550 TB/yr, ensuring reliable performance under continuous use while operating with a rated reliability of hours per year that meets enterprise expectations.
The drive is helium-sealed to reduce internal drag and improve energy efficiency, and it includes rotational vibration sensors to safeguard data integrity in multi-drive environments. With optimized power consumption during both read/write operations and idle periods, ST8000NM0055 is a top choice for enterprise storage solutions where durability and consistent performance are critical.
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 ST8000NM0055 |  ZA1000NM1A002 |  ST6000VN001 |  ST1000NX0313 |  ST1000LM035 | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Enterprise Storage / Server | Desktop / Server / NAS / Surveillance / Enterprise Storage | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SAS 12Gb/s | SATA III | SATA III | SAS 12Gb/s | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 2.5-inch |
| Storage Capacity | 8 TB | 10 TB | 6 TB | 1 TB | 1 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 5400 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 256 MB | 128 MB | 128 MB |
| Average Latency | N/A | N/A | 4.17 ms | N/A | N/A |
| Data Transfer Rate | Up to 250 MB/s | Up to 300 MB/s | Up to 250 MB/s | Up to 210 MB/s | Up to 150 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr | 180 TB/yr |
| Power Consumption (Read/Write) | 8.3 Watts | 8 Watts | 9.6 W | 9 Watts | 3W |
| Power Consumption (Idle) | 6.5 Watts | 5 Watts | 6.8 W | 7 Watts | 1.5W |
| Encryption Support | No | AES 256-bit | No | 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 | Single |
| Vibration Protection | Yes | Yes | Yes | Yes | No |
| Advanced Features | Rotational Vibration Sensors | Dual Actuator | Rotational Vibration Sensors | Dual Actuator | N/A |
| Operating Temperature | 5–60°C | 5–60°C | 5–55°C | 5–60°C | 5–55°C |
| Product Name | Seagate Exos X ST8000NM0055 8TB Enterprise Hard Drive | ZA1000NM1A002 Enterprise HDD | ST6000VN001 6TB Enterprise SATA Hard Drive | Seagate ST1000NX0313 | Seagate Barracuda ST1000LM035 |
| Height | 1.03 inches | 1.03 | 1.03 inches | 1.03 inches | 0.28 inches |
| Width | 4 inches | 5.79 | 5.79 inches | 5.79 inches | 2.75 inches |
| Depth | 5.79 inches | 7.78 | 8.74 inches | 4.00 inches | 3.94 inches |
| Weight | 1.85 lbs | 2.0 | 1.8 lbs | 2.1 lbs | 0.53 lbs |
Reliable 8TB enterprise HDD. The 7200 RPM SATA interface is perfect for our servers.
Solid performance and durability. A great mid-capacity choice for high-availability enterprise arrays.
Consistent 256MB cache performance. Provides steady data access for professional business applications.
Trustworthy 8TB capacity. Built for 24/7 use with professional-grade workload ratings and uptime.
Exceptional reliability and throughput. Handles intensive data tasks with complete stability and speed.
Stable performance across all drives. A dependable workhorse for our enterprise storage racks.
The ST8000NM0055 offers 8 terabytes of raw storage capacity, ideal for large-scale data environments.
It uses a SATA 6 Gb/s interface for broad compatibility with modern servers and workstations.
The drive spins at 7,200 RPM, balancing performance and power efficiency for continuous workloads.
It features a 256 MB DRAM cache to accelerate read/write operations and minimize latency.