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Overview
The Seagate ST31500341AS is a 1.5TB internal hard disk drive from the Barracuda 7200.11 family. Designed for desktop computing and compatible storage systems, this 3.5-inch mechanical drive provides magnetic storage for documents, applications, photographs, videos, and other digital files.
The drive combines a 7200 RPM spindle speed with a 32MB cache buffer and a Serial ATA interface. Its 1.5TB capacity makes it suitable for systems that require substantial internal storage and support the drive's SATA connection.
Performance and Connectivity
The ST31500341AS uses a SATA 3Gb/s interface with a maximum external interface transfer rate of 300 MB/s. Its specified maximum sustained data transfer rate is up to 120 MB/s at the outer diameter of the disk. Actual transfer performance varies according to data location, workload, host controller, and operating conditions.
The drive supports Native Command Queuing (NCQ), SMART drive monitoring, and several ATA data-transfer modes. Its 7200 RPM rotational speed and 32MB cache support conventional desktop storage operations.
Compatibility and Installation
This drive is intended for systems that support an internal 3.5-inch SATA hard disk drive. Before installation, check the host system's supported drive capacity, available mounting space, SATA controller compatibility, and power connections.
- Desktop computers: Suitable for compatible systems with a 3.5-inch internal SATA drive bay.
- SATA controllers: Requires a compatible SATA connection supporting the drive's interface.
- Power: Requires compatible drive power connections providing +5V and +12V.
- Operating systems: Usable with compatible systems that support the drive and its partitioning and file-system requirements.
Confirm compatibility with the computer or storage appliance manufacturer before selecting this model as a replacement drive. Systems with firmware or controller limitations may require additional compatibility checks.
Key Features
- 1.5TB storage capacity: Provides space for personal files, media collections, applications, and general-purpose data storage.
- 7200 RPM spindle speed: Supports conventional mechanical hard-drive performance.
- 32MB cache buffer: Provides onboard buffering for read and write operations.
- SATA 3Gb/s connectivity: Connects to compatible SATA storage controllers.
- SMART and NCQ support: Provides drive-monitoring functionality and command queuing for compatible systems.
Applications
- Desktop storage expansion: Add internal storage to a compatible desktop computer.
- Media libraries: Store photographs, videos, music, and other digital media.
- General file storage: Maintain documents, software files, and other frequently accessed data.
- Legacy computer maintenance: Replace a compatible SATA hard drive in an older system after verifying the exact requirements.
DC Supplies Product Note
The ST31500341AS belongs to the Barracuda 7200.11 generation and uses a SATA 3Gb/s interface. When replacing an existing drive, verify the complete model number and check whether the host system supports a 1.5TB drive. As with any used or previously installed mechanical drive, confirm its operational condition and inspect important data backups before putting it into service.
Specifications
| Brand | Seagate |
|---|---|
| Part Number / MPN | ST31500341AS |
| Product Type | Internal Hard Disk Drive |
| Product Family | Barracuda 7200.11 |
| Storage Capacity | 1.5TB (1500GB nominal) |
| Drive Technology | Mechanical hard disk drive |
| Form Factor | 3.5-inch |
| Interface | Serial ATA (SATA) |
| Maximum External Transfer Rate | 300 MB/s |
| Maximum Sustained Data Transfer Rate | Up to 120 MB/s at the outer diameter |
| Spindle Speed | 7200 RPM |
| Cache Buffer | 32MB |
| Average Latency | 4.16 ms |
| Average Read Seek Time | Less than 8.5 ms typical |
| Average Write Seek Time | Less than 10 ms typical |
| Command Queuing | Native Command Queuing (NCQ) |
| Drive Monitoring | SMART support |
| Recording Technology | Perpendicular magnetic recording |
| Bytes per Sector | 512 |
| Power Supply Requirements | +5V and +12V |
| Maximum Dimensions (H × W × D) | 26.1 × 101.6 × 146.99 mm |
| Typical Weight | Approximately 720 g |
| Operating Temperature | 0°C to 60°C ambient |
| Non-Operating Temperature | -40°C to 70°C ambient |
Frequently Asked Questions
1. What is the capacity of the Seagate ST31500341AS?
This model has a nominal storage capacity of 1.5TB. The capacity displayed by an operating system may differ because of formatting and the distinction between decimal and binary capacity measurements.
2. Is the ST31500341AS a SATA or SAS hard drive?
The ST31500341AS is a SATA hard drive with a SATA 3Gb/s interface. It should not be confused with drives that use the SAS interface.
3. Can this drive be installed in a desktop computer?
Yes, provided the computer supports a 3.5-inch internal SATA drive, accommodates the 1.5TB capacity, and supplies the required power connections. Check the system documentation before installation.
4. Can the drive connect to a SATA 6Gb/s port?
A compatible SATA controller may negotiate a supported connection speed with this SATA 3Gb/s drive. The drive itself remains limited to its specified interface capabilities.
5. Is this drive suitable for replacing an older hard drive?
It may be suitable when the original drive uses a compatible interface and form factor and the host system supports the capacity. Check the complete model number, system requirements, and data-transfer needs before replacing an existing drive.
6. Does the drive include a SATA cable?
The included accessories depend on the specific package and seller inventory. Confirm the supplied contents before purchasing if a SATA data cable or additional mounting hardware is required.