The Seagate Exos 7E8 ST2000NM0055 is a 2TB internal enterprise hard drive designed for servers, data centres, and compatible business storage systems. It features a 3.5-inch form factor, SATA 6Gb/s interface, 7200 RPM spindle speed, and 128MB cache for enterprise data storage applications.
This specific model uses a 512n sector format, with native 512-byte logical and physical sectors. It is intended for compatible storage configurations that require a SATA enterprise drive. Check your system's supported drive capacity and sector format before installation.
Key Features
- 2TB storage capacity: Provides storage for business files, applications, and general enterprise data.
- SATA 6Gb/s interface: Connects to compatible SATA controllers and storage systems.
- 7200 RPM spindle speed: Designed for responsive access in enterprise storage environments.
- 128MB cache: Helps manage drive read and write operations.
- Enterprise reliability features: Includes Seagate technologies such as PowerChoice and SuperParity for supported enterprise storage applications.
Enterprise Storage Applications
The Exos 7E8 family is designed for enterprise storage deployments, including server storage, data-centre infrastructure, and compatible networked storage systems. The ST2000NM0055 is suitable for installations that specifically support a 2TB SATA drive with a 512n sector format.
Technical Specifications
| Brand | Seagate |
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| Part Number / MPN | ST2000NM0055 |
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| Product Type | Internal enterprise hard disk drive |
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| Product Family | Exos 7E8 |
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| Storage Capacity | 2TB |
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| Form Factor | 3.5-inch |
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| Interface | SATA 6Gb/s |
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| Spindle Speed | 7200 RPM |
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| Cache | 128MB |
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| Sector Format | 512n (native 512-byte sectors) |
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| Maximum Sustained Transfer Rate | Up to 215MB/s |
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| Mean Time Between Failures (MTBF) | 2,000,000 hours |
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| Annualised Failure Rate | 0.44% under specified operating conditions |
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| Limited Warranty | 5 years, subject to purchase terms and regional availability |
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Frequently Asked Questions
What is the capacity of the Seagate ST2000NM0055?
This hard drive provides 2TB of storage capacity.
Which interface does this model use?
The ST2000NM0055 uses a SATA 6Gb/s interface. Confirm that your server or storage enclosure supports SATA drives.
What does 512n mean?
512n means the drive uses native 512-byte logical and physical sectors. Check compatibility with your storage controller and operating system.
Is this drive suitable for enterprise servers?
Yes, it belongs to the Seagate Exos enterprise drive family and is designed for compatible enterprise storage applications. Actual compatibility depends on the server, controller, firmware, and drive-bay configuration.
What is the drive's rotational speed?
The drive operates at 7200 RPM. Overall storage performance also depends on the workload and host system.
DC Supplies Product Note
Before ordering, verify the exact model number ST2000NM0055, SATA interface, 2TB capacity support, and native 512n sector-format requirements. Do not confuse this model with similarly numbered SAS, 512e, or self-encrypting drive variants.
