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Seagate ST4000NM0025 4000GB SAS internal hard drive - internal hard drives
High-capacity 4TB internal hard drive with 7200 RPM and 128MB cache, featuring SAS 12Gb/s interface for reliable server and workstation use.
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Seagate ST4000NM0025 – Enterprise‑Grade 4 TB SAS Internal Hard Drive
The Seagate ST4000NM0025 is a high‑performance, 3.5‑inch internal hard drive engineered for demanding server and workstation environments. With a generous 4 TB capacity, 7200 RPM spindle speed, and a robust 12 Gb/s SAS interface, this drive delivers reliable throughput and endurance for mission‑critical workloads.
Key Technical Highlights
- Capacity: 4000 GB (4 TB) of raw storage space.
- Form Factor: 3.5‑inch, 26.1 mm height, 101.85 mm width, 147 mm depth – compatible with standard 3.5″ server bays.
- Interface: Dual SAS 12 Gb/s (SAS‑3) ports for high‑bandwidth connectivity and hot‑swap support.
- Spindle Speed: 7200 revolutions per minute, balancing speed with power efficiency.
- Cache & Buffer: 128 MB on‑disk cache to accelerate read/write operations.
- Average Latency: 4.16 ms – ensuring quick data access for latency‑sensitive applications.
- Sustained Transfer Rate: Up to 215 MiB/s (≈215 MB/s) under continuous load.
- MTBF: 2,000,000 hours – a testament to its long‑term reliability.
- Operating Temperature: 5 °C to 60 °C, suitable for data center environments.
- Power Consumption: 7.74 W active, 6.52 W idle; maximum 10.5 W under peak load.
- Shock & Vibration Tolerance: Operating shock up to 70 G, non‑operating shock 250 G, vibration 5 G – designed for robust server racks.
Performance Characteristics
The ST4000NM0025’s dual SAS channels provide a theoretical maximum bandwidth of 24 Gb/s (12 Gb/s per channel). In practice, the drive achieves sustained throughput of 215 MiB/s, which is adequate for database replication, virtualization, and high‑throughput backup tasks. The 128 MB cache mitigates latency spikes by buffering frequently accessed data, while the 4.16 ms average latency ensures that random I/O workloads remain responsive.
Reliability & Endurance
Seagate’s engineering of this drive incorporates a 2‑million hour MTBF rating, meaning it is expected to operate for roughly 228 years without failure under ideal conditions. The non‑recoverable error rate of 1 per 10^15 bits and the inclusion of Seagate SeaTools software provide proactive health monitoring, allowing administrators to detect early signs of wear or impending failures.
Form Factor & Physical Dimensions
The drive’s compact footprint (26.1 mm height) allows it to fit into tight server chassis while maintaining adequate airflow for cooling. Its weight of approximately 680 g is typical for enterprise 3.5‑inch drives, ensuring that rack load limits are not exceeded.
Compatibility & Use Cases
This drive is ideal for:
- Enterprise Storage Arrays: High‑density NAS or SAN solutions requiring reliable capacity and throughput.
- Virtualization Hosts: VMware ESXi, Hyper‑V, or KVM environments where disk performance directly impacts VM responsiveness.
- Database Servers: SQL Server, Oracle, or PostgreSQL installations that benefit from fast, consistent I/O.
- Backup & Archival Systems: Tape libraries and backup appliances that need large, durable storage pools.
Software Support
The drive ships with Seagate SeaTools, a diagnostic utility that can perform surface scans, SMART checks, and performance tests. This tool is essential for maintaining data integrity in production environments.
Environmental Considerations
- Operating Voltage: 5 V / 12 V – compatible with most server power supplies.
- Temperature Range: 5–60 °C ensures operation in standard data center cooling setups.
- Shock & Vibration: Designed to withstand typical rack vibrations and occasional handling shocks without compromising data integrity.
Conclusion
The Seagate ST4000NM0025 4 TB SAS Internal Hard Drive combines high capacity, robust performance, and enterprise‑grade reliability. Its dual SAS interface, substantial cache, and proven MTBF make it a dependable choice for any organization that demands consistent, high‑throughput storage in a compact form factor.
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Category
This product is cataloged in our store in these categories
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- Internal HDDs (Hard Disk Drives) |
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International
Find this product in one of our international stores
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 231.76 EUR  185.00 EUR  200.89 EUR  205.53 EUR |
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Predominant colors of the product |
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| Tags | Hard Drive Internal hard drives Seagate Exos 7E8 SAS internal hard Seagate ST4000NM0025 4000 GB 128MB Ca 4TB Seagate Exos |
| Identifiers | |
| Brand | Next Level Racing |
| Model | Next Level Racing NLR-A002 |
| MPN | Next Level Racing ST4000NM0025 |
| ID | 8375941 |
| Dimensions / Weight | |
| Key Features | |
| .Shock Tolerance operating | 40 g @ 2 ms |
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24x7 operation Indicates whether a product is designed to operate continuously, seven days a week, without interruption or scheduled downtime.
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Yes |
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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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512 |
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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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4000 GB |
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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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3.5" x 1/3H |
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Component for Specifies the type of device or system that the product is intended to be used with, such as a PC, server, notebook, surveillance system, or other electronic equipment. The value represents a single category and can be used to filter or group products by their target platform.
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Server/workstation |
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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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147 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 |
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Dimensions The pixel dimensions of a display or image, expressed as width by height (e.g., 1920x1080). It indicates how many pixels are used to render the visual content and is commonly used for monitors, TVs, smartphones, cameras, and digital images.
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101.85 x 26.1 x 147 (WxHxD mm) |
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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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1.2 GBps (external) |
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Edition A brief statement indicating the edition or version of a product, such as "Reprint", "New Edition", or a numeric edition number like "2nd edition". It identifies which specific release of the item is being referenced.
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ST4000NM0025 |
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Flash memory size The total amount of internal flash storage available in a device, expressed as a digital capacity such as megabytes (MB) or gigabytes (GB). This attribute indicates how much data can be stored on the device’s non‑volatile memory for operating systems, applications, and user files.
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N/A |
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Form factor Specifies the physical configuration or design of a product, such as ATX, Micro‑ATX, Mini‑ITX, tower, case with cover, etc. It describes how the device is built and what mounting or expansion options it supports.
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3.5" |
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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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HDD sustained transfer rate The average speed at which a storage device can read or write data under typical operating conditions, expressed in megabytes per second (MiB/s). This value reflects the sustained throughput that users can expect during continuous data transfers.
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215 MiB/s |
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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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26.1 mm |
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Interface The physical or logical interface used by a device to connect with other components, such as USB, PCI Express, SATA, Ethernet, Thunderbolt, DisplayPort, or similar standards. It indicates the technology that enables data transfer and power delivery between the product and its peripherals.
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SAS-3 (12Gb/s) |
| Interfaces | 2 x SAS 12 Gb/s |
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Maximum operating shock The highest acceleration that a product can withstand during operation, expressed as a force in grams (G) and optionally including the duration of the shock event. This attribute indicates the mechanical robustness of the device or component under dynamic loading conditions.
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40 G |
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Maximum power usage The highest electrical power consumption of a product, expressed in watts (W). It indicates the maximum amount of energy the device draws during operation and is useful for estimating operating costs, comparing efficiency across similar products, or ensuring compatibility with power supplies.
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10.5 W |
| MTBF | 2,000,000 hours |
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NCQ Indicates whether the product is designed to be used in a Network Attached Storage (NAS) environment, such as supporting multiple drive bays and continuous operation.
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No |
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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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250 G |
| Non-operating vibration | 5 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 |
| Operating shock | 70 G |
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Package type The form of packaging used for a product, such as box, blister pack, bag, or pallet. It indicates how the item is contained and protected during shipping and storage.
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OEM |
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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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20 |
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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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250 g @ 1 ms |
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Software Included A list of software programs and utilities that come pre-installed or bundled with the product, such as operating systems, drivers, antivirus suites, or other essential applications.
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Seagate SeaTools |
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SSHD Indicates whether the product is a solid‑state hybrid drive (SSHD), combining flash memory with a traditional spinning disk to provide faster access and larger capacity than a standard HDD.
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No |
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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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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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680 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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101.85 mm |
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