The Seagate ST2400MM0129 is a 2.4TB, 2.5-inch enterprise hard disk drive from the Seagate Exos 10E2400 family. Designed for compatible enterprise servers and storage systems, it combines a 10,000RPM rotational speed with a 12Gb/s SAS interface to support demanding data-access workloads.
This model features 256MB of cache and Seagate FastFormat technology, which supports switching between 512-byte emulation (512e) and 4K-native (4Kn) sector formats. Its compact form factor makes it suitable for compatible enterprise systems that use 2.5-inch SAS drives.
Key Features
- 2.4TB storage capacity: Provides substantial capacity for enterprise applications, business data, and frequently accessed files.
- 10,000RPM spindle speed: Supports responsive data access in server and storage environments.
- SAS 12Gb/s interface: Designed for compatible enterprise SAS controllers and storage backplanes.
- 256MB cache: Helps manage data transfers and drive operations.
- FastFormat technology: Supports 512e and 4Kn sector formats when configured by a compatible system.
Recommended Applications
- Compatible enterprise servers and storage arrays
- Business application and database workloads
- Virtualization infrastructure
- Enterprise data storage and shared repositories
- Storage systems requiring 2.5-inch 10K SAS hard drives
Technical Specifications
| Brand | Seagate |
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| Model / MPN | ST2400MM0129 |
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| Product Family | Exos 10E2400 |
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| Drive Type | Enterprise hard disk drive (HDD) |
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| Storage Capacity | 2.4TB |
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| Form Factor | 2.5-inch SFF |
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| Spindle Speed | 10,000RPM |
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| Interface | SAS 12Gb/s |
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| Cache | 256MB |
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| Sector Format | FastFormat: 512e / 4Kn |
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| Average Rotational Latency | 2.9ms |
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| Sustained Transfer Rate | Approximately 266–130MB/s, outer to inner diameter |
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| External SAS Transfer Rate | Up to 1200MB/s interface rate |
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| Nonrecoverable Read Errors | Maximum 1 per 1016 bits read |
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| Annualized Failure Rate | 0.44% under specified operating conditions |
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| Manufacturer-Listed Limited Warranty | 5 years, subject to applicable terms and eligibility |
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| Maximum Dimensions (H × W × D) | 15 × 69.85 × 100.46mm |
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| Approximate Weight | 202g |
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Compatibility Information
The ST2400MM0129 requires a compatible SAS controller, SAS backplane, or enterprise storage enclosure. It is not a SATA drive and is not suitable for SATA-only drive bays. Confirm that the target system supports 2.5-inch SAS drives, 2.4TB capacity, and the required sector format.
FastFormat capabilities depend on system and controller support. Verify the intended sector configuration before deployment, particularly when installing the drive into an existing storage array.
Frequently Asked Questions
1. What is the capacity of the Seagate ST2400MM0129?
The drive has a nominal storage capacity of 2.4TB.
2. Is the ST2400MM0129 a SATA or SAS drive?
It is an enterprise SAS drive supporting an interface rate of up to 12Gb/s. It is not a SATA model.
3. What is the spindle speed and cache size?
The drive operates at 10,000RPM and has 256MB of cache.
4. What does FastFormat mean?
FastFormat supports switching between 512-byte emulation (512e) and 4K-native (4Kn) sector formats when used with compatible systems.
5. Is this drive suitable for enterprise servers?
Yes. It is designed for enterprise server and storage applications, provided the system supports its SAS interface, physical form factor, capacity, and sector format.
6. Is this the FIPS security version?
No. ST2400MM0129 is the standard model. Seagate identifies ST2400MM0149 as the separately numbered FIPS 140-2/Common Criteria model. Confirm the exact part number when a particular security certification is required.
DC Supplies Product Note
Before ordering, verify the exact model number, interface, sector format, and compatibility with your server or storage array. Warranty eligibility depends on the specific unit, serial number, sales channel, and applicable terms. Confirm the condition and warranty coverage of the offered unit with DC Supplies.
