The Seagate ST500DM002 is a 500GB, 3.5-inch internal hard disk drive from Seagate's desktop HDD range. With a 7200RPM spindle speed, SATA 6Gb/s interface, and 16MB cache buffer, it provides traditional mechanical storage for compatible desktop computers and other systems that support SATA hard drives.
This model supports Native Command Queuing (NCQ) and SATA interface speeds of up to 6Gb/s. Actual data-transfer performance depends on the host system, controller, and workload.
Key Features
- 500GB storage capacity: Suitable for documents, applications, media files, and general-purpose storage.
- 7200RPM spindle speed: Provides mechanical disk performance for everyday desktop workloads.
- SATA 6Gb/s interface: Connects to compatible SATA controllers and supports lower SATA interface speeds.
- 16MB cache: Provides onboard buffer memory to support drive operations.
- Native Command Queuing: Supports NCQ for managing queued read and write commands.
Compatibility and Applications
The ST500DM002 is intended for compatible desktop computers and storage systems with a 3.5-inch drive bay and SATA connection. It may be used for general file storage, legacy computer maintenance, or replacing a compatible mechanical hard drive.
Before ordering, verify the exact model number, SATA connection, physical mounting requirements, and system compatibility. This is a mechanical HDD, not a solid-state drive (SSD).
Technical Specifications
| Brand | Seagate |
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| Model Number | ST500DM002 |
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| Product Family | Seagate Desktop HDD / Barracuda series |
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| Drive Type | Internal mechanical hard disk drive |
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| Storage Capacity | 500GB |
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| Form Factor | 3.5-inch |
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| Spindle Speed | 7200RPM |
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| Interface | SATA 6Gb/s |
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| Cache Buffer | 16MB |
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| Supported SATA Speeds | 6.0, 3.0, and 1.5Gb/s |
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| Maximum Sustained Transfer Rate | Up to 144MB/s |
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| Average Rotational Latency | 4.16ms |
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| Random Read Seek Time | Less than 8.5ms |
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| Random Write Seek Time | Less than 9.5ms |
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| Sector Format | 512-byte logical sectors; variants may use 512-byte native or 4K physical sectors |
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| Height | 19.98mm |
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| Width | 101.6mm |
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| Length | 146.99mm |
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| Typical Weight | Approximately 415g |
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Frequently Asked Questions
What is the capacity of the Seagate ST500DM002?
This model offers 500GB of nominal storage capacity.
Is the ST500DM002 a SATA or IDE drive?
It is a SATA hard drive with support for SATA interface speeds up to 6Gb/s. It does not use the older IDE/PATA interface.
What is the spindle speed?
The drive operates at 7200RPM.
How much cache does it have?
The ST500DM002 has a 16MB cache buffer.
Can I install this drive in a modern computer?
It may work in a compatible computer with a supported SATA connection and 3.5-inch drive bay. Check the system's requirements before installation.
DC Supplies Product Note
Please confirm the exact model number and compatibility with your equipment before ordering. Product condition and included items may vary by listing, so refer to the specific offer for those details.
