Seagate Enterprise Capacity 2.5" SFF ST2000NX0243 Internal Hard Drive - 2TB, SATA 6Gb/s, NL, 7200rpm with 128MB Buffer
Seagate (7636490043451 / ST2000NX0243) - .Shock Tolerance operating: 25 g @ 2 ms - Average latency: 4.16 ms - HDD speed: 7200 RPM - Non-recoverable errors: 1 per 10^15 - Operating voltage: 5 V - Shock Tolerance non-operating: 400 g @ 2 ms
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Seagate Enterprise Capacity 2.5" SFF ST2000NX0243 Internal Hard Drive
The Seagate Enterprise Capacity 2.5" SFF ST2000NX0243 is a high‑performance, nearline hard disk designed for demanding data center and enterprise environments. With a generous 2 TB (2048 GB) capacity, it delivers ample storage while maintaining the compact footprint of a 2.5" SFF form factor.
Key Performance Characteristics
- Spindle Speed: 7200 RPM – ensuring rapid data access and consistent throughput for workloads that require quick read/write cycles.
- SATA Interface: SATA 6 Gb/s (SATA III) – providing a maximum theoretical transfer rate of 600 MB/s in external configurations, with an internal data rate of up to 136 MB/s.
- Average Latency: 4.16 ms – reflecting the time taken for the drive head to locate a sector on the platter.
- Buffer Size: 128 MB – a large cache that smooths bursty I/O patterns and improves overall performance.
- MTBF (Mean Time Between Failures): 1,400,000 hours – indicative of robust reliability suitable for continuous operation.
- Non‑Recoverable Read Errors: 1 per 10¹⁵ bits – a low error rate that supports data integrity in critical applications.
Physical and Environmental Specifications
- Form Factor: 2.5" SFF – dimensions of 15 mm height, 70.1 mm width, 100.5 mm depth, weighing only 198 g.
- Operating Temperature Range: 5 °C to 55 °C – ensuring stable operation across typical data center climates.
- Operating Shock Tolerance: 25 G @ 2 ms – capable of withstanding moderate vibrations during normal use.
- Non‑Operating Shock Tolerance: 400 G @ 2 ms – providing resilience against accidental drops or impacts when powered off.
- Vibration Tolerances: 0.5 g (operating) and 3 g (non‑operating) at 5–500 Hz – suitable for rack environments with moderate mechanical activity.
Power Consumption Profile
- Idle Power: 3.87 W – typical consumption during low‑activity periods.
- Standby Power: 1.14 W – minimal energy usage when the drive is not actively engaged.
- Typical Power: 5.22 W – average draw under normal operating conditions.
Sector and Data Structure Details
- Bytes per Sector: 4096 (4 KiB) – a native 4K sector size that aligns with modern file systems and improves storage efficiency.
- Data Transfer Rate: 6 Gb/s – the SATA interface’s maximum bandwidth, enabling high‑throughput data flows.
Ideal Use Cases
The Seagate Enterprise Capacity drive is engineered for environments where reliability, capacity, and performance converge. Typical applications include:
- Enterprise Storage Arrays: Providing dense storage in NAS or SAN configurations that demand high IOPS.
- Backup and Archival Solutions: Leveraging the large cache and low latency to accelerate backup pipelines.
- Virtualization Hosts: Supporting virtual machine workloads with consistent throughput and rapid data access.
- High‑Availability Clusters: Integrating into redundant storage setups where MTBF and error rates are critical metrics.
Technical Summary
| Specification | Value |
|---|---|
| Capacity | 2 TB (2048 GB) |
| Form Factor | 2.5" SFF |
| Spindle Speed | 7200 RPM |
| SATA Interface | SATA 6 Gb/s |
| Average Latency | 4.16 ms |
| Cache Size | 128 MB |
| MTBF | 1,400,000 h |
| Non‑Recoverable Read Errors | 1 per 10¹⁵ bits |
| Operating Temperature | 5–55 °C |
| Shock Tolerance (operating) | 25 G @ 2 ms |
| Shock Tolerance (non‑operating) | 400 G @ 2 ms |
| Vibration Tolerance (operating) | 0.5 g @ 5–500 Hz |
| Vibration Tolerance (non‑operating) | 3 g @ 5–500 Hz |
| Power Consumption (idle) | 3.87 W |
| Power Consumption (standby) | 1.14 W |
| Bytes per Sector | 4096 |
| Dimensions (H×W×D) | 15 mm × 70.1 mm × 100.5 mm |
| Weight | 198 g |
Conclusion
The Seagate Enterprise Capacity ST2000NX0243 exemplifies a balanced blend of capacity, speed, and durability. Its 2 TB storage, coupled with a robust 128 MB cache and high MTBF rating, makes it an excellent choice for enterprises seeking dependable nearline performance without compromising on space or power efficiency.
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| Tags | Seagate PowerChoice |
| Identifiers | |
| Brand |  Seagate is a brand of computer hard drives and storage solutions. The company produces a wide range of products for both personal and business use, including external hard drives, solid state drives, and storage systems. Seagate is one of the leading providers of storage solutions in the world, and its products are known for their quality and reliability. |
| Model | Seagate ST2000NX0243 |
| MPN | Seagate ST2000NX0243 |
| ID | 11117961 |
| Dimensions / Weight | |
| Key Features | |
| .Shock Tolerance operating | 25 g @ 2 ms |
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Average latency The typical time delay, measured in milliseconds, between a request and its response for storage devices such as hard drives or SSDs. It reflects how quickly data can be accessed from the device and is useful for comparing performance across similar products.
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4.16 ms |
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Buffer size The amount of data that a device can temporarily store in its internal memory before processing or transferring it. The value is expressed with a digital capacity unit (e.g., kilobytes, megabytes). This attribute helps understand the performance and efficiency of hardware when handling information streams.
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128 MB |
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Bytes per sector The number of bytes contained in each storage sector of a device, indicating the smallest unit of data that can be read or written by the medium.
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4096 |
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Capacity The total amount of space or volume that a product can hold, expressed in an appropriate unit such as GB, MB, TB for digital storage or L, ml, cl for liquid capacity. This attribute helps users compare how much content a device or container can accommodate.
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2097152 MB |
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Compatible Bay List of physical bay sizes that the product can accommodate, such as 2.5" or 3.5" hard‑drive bays and M.2 2280 SSD slots. Each value indicates a standard enclosure or slot that the device supports, allowing users to determine which storage components will fit.
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2.5" SFF |
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Data transfer rate The maximum theoretical speed at which a device can send or receive data, expressed in bits per second (bps) or its multiples such as kbps, mbps, gbps, etc. It represents the upper bound of throughput under optimal conditions and is useful for comparing performance across devices and interfaces.
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6 Gbit/s |
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Depth The linear measurement of an object from front to back or top to bottom, expressed in a physical unit such as millimeters, centimeters, inches, etc. It indicates how deep the item is and can be used for fitting, compatibility, or spatial planning.
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100.45 mm |
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Device type The general classification of a product, such as tablet, smartphone, router, or computer. It indicates the primary function or form factor that helps buyers quickly identify and compare similar items.
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Hard drive - internal - nearline |
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Drive transfer rate The maximum theoretical speed at which a storage device can send or receive data, expressed in bits per second (bps) or its multiples such as kbps, mbps, gbps. It represents the upper bound of throughput under optimal conditions and is useful for comparing performance across different drives and interfaces.
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600 MBps (external) |
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HDD Capacity The total amount of digital storage that an internal hard drive can hold, expressed as a numeric value with an appropriate unit such as GB, MB, or TB. This attribute helps users understand how much data the device’s built‑in hard drive can store and compare storage options across products.
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2048 GB |
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HDD speed The number of revolutions per minute (RPM) at which a hard‑disk drive’s spindle turns, indicating the drive’s data access performance and endurance characteristics.
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7200 RPM |
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Height The vertical dimension of a product measured from its lowest to highest point. It is expressed in a physical unit such as millimetres, centimetres or inches and applies to any item where height is relevant, including books, electronics, furniture and other objects.
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15 mm |
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Interface List of physical or logical interfaces that allow communication between a hard drive and other devices, such as SATA, M.2 PCIe, U.2, SAS, NVMe, or other standard connections.
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Serial ATA |
| Interfaces | 1 x SATA 6 Gb/s |
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Internal Indicates whether the product is designed to be installed inside a computer system, such as an internal hard drive, SSD, or network card. A value of "Yes" means it can be mounted within the chassis; "No" indicates it is intended for external use.
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Yes |
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Internal data rate The maximum theoretical speed at which an internal solid‑state drive can send or receive data, expressed in bits per second (bps) or its multiples such as kbps, mbps, gbps, etc. It represents the upper bound of throughput under optimal conditions and is useful for comparing performance across SSDs and interfaces.
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136 MBps |
| MTBF | 1,400,000 hours |
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Non-operating shock The mass of a component or device measured while it is not operating, expressed in grams. This value represents the total weight that the unit can sustain during shock testing and includes any internal parts and packaging if specified.
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400 G |
| Non-operating vibration | 3 G |
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Non-recoverable errors The frequency at which a storage device encounters non‑recoverable errors, expressed as the number of errors per a fixed amount of data read or written (e.g., per 10^14 bits). This metric indicates the reliability and data integrity performance of the device during both read and write operations.
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1 per 10^15 |
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Operating vibration The mass of a device measured while it is in normal operation, expressed in grams (g). This value indicates the amount of material that contributes to vibration during use and can help assess mechanical stability or compliance with vibration standards.
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0.5 G |
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Operating voltage The electrical voltage that a device is designed to operate at, expressed in volts (V). It may represent a single nominal value or a range indicating the minimum and maximum supply voltages compatible with the product. This attribute helps users verify that their power source matches the device’s requirements.
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5 V |
| Power consumption (StandBy) | 1.14 W |
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Quantity Represents the count of individual units or pieces included in a product offering. It indicates how many separate items are available for purchase or use, such as the number of components in a bundle, the quantity of devices in a set, or the amount of consumables supplied. The value is an integer without any unit of measure.
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1 |
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Shock Tolerance non-operating The maximum acceleration that a device can withstand when it is not in operation, expressed as a force per unit mass (e.g., g). This value indicates the shock resistance of the product and helps users assess its durability under accidental impacts or transport conditions.
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400 g @ 2 ms |
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Type The general category or style of the product, such as laptop, printer cartridge, or cooling fan. It helps buyers quickly identify the nature of the item and compare similar products.
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HDD |
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Vibration tolerance non-operating The maximum vibration level a product can withstand while not in operation, expressed as an acceleration value (g) over a specified frequency range. The value indicates the device’s mechanical robustness and suitability for environments where it may be subject to vibrations during storage or transport.
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3 g @ 5-500 Hz |
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Vibration tolerance operating The maximum vibration level a product can withstand while operating, expressed as an acceleration value (in g) together with the frequency range over which that tolerance applies. The value indicates how much mechanical vibration the device is designed to endure during normal use and helps users assess suitability for environments with varying vibration conditions.
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0.5 g @ 5-500 Hz |
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Weight The mass of the product expressed in a standard unit such as grams or kilograms. It represents how heavy the item is and can be used for shipping calculations, handling instructions, or consumer information.
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198 g |
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Width The horizontal measurement of a product, expressed in a linear unit such as millimetres or inches. It indicates how wide the item is from one side to the other and is used for sizing, fitting, and compatibility purposes.
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70.1 mm |
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Seagate (0763649088371 / ST4000NM0095) - Average latency: 4.16 ms - HDD speed: 7200 RPM - Operating voltage: 5 / 12 V - Depth: 147 mm - Height: 26.1 mm - Width: 101.8 mm - HDD Capacity: 4000 GB - HDD interface transfer rate: 12 Gbit/s
High‑capacity 4 TB enterprise hard drive delivers reliable performance with a 7,200 RPM spindle and 12 Gb/s SAS interface for fast data transfer. Its 128 MB cache enhances throughput, while the 3.5‑inch form factor fits standard server bays, making it ideal for demanding storage environments.
