WDC WD6401AALS-00L3B2
User Benchmarks
| Model | Type | Score | Seq. Read MB | Seq. Write MB | Read 4k64QD | Write 4k64QD | Read Access msek. | Write Access msek. |
| WDC WD6401AALS-00L3B2 | 640 | 238 | 113 | 94 | 1.31 | 1.26 | 10.58 | 2.95 |
The measurement of the WDC WD6401AALS-00L3B2 was carried out on Windows. Similar read and write speeds could certainly be achieved with the WDC WD6401AALS-00L3B2 under Linux and MacOS. Of course, the correct hard drive driver should be installed and the correct interface for the WDC WD6401AALS-00L3B2 should be used.
The WDC WD6401AALS-00L3B2 is a 640GB hard drive from Western Digital that belongs to the WD Caviar Black series. This series is known for its high performance and reliability, making it a popular choice for performance-intensive applications. Here is a comprehensive description of the technical details, features and application areas of the WD6401AALS-00L3B2.
Technical Details
1. Model and Name:
- Model Number: WD6401AALS-00L3B2
- Manufacturer: Western Digital
- Product Line: WD Caviar Black
2. Capacity:
- Storage Capacity: 640 GB (Gigabytes). This provides a sufficient amount of storage space for most applications, including operating systems, programs, and a considerable amount of data.
3. Interface:
- Interface: SATA II (3 Gb/s). This interface offers a maximum transfer rate of up to 3 Gbit/s (375 MB/s), which provides sufficient speed for most applications. Even though SATA III (6 Gb/s) is faster, SATA II is still widely used and sufficient for many applications.
4. Form Factor:
- Form Factor: 3.5 inches. This is the standard form factor for desktop hard drives and allows for high storage capacity in a compact design.
5. Rotational Speed:
- Rotational Speed: 7200 RPM (revolutions per minute). This rotational speed offers a good balance between performance and power consumption, as it enables fast access times and a high data transfer rate.
6. Cache:
- Cache Memory: 32 MB. A larger cache memory improves performance by storing frequently used data, thus reducing access times.
7. Error Correction:
- Error Correction: The hard drive uses error correction mechanisms to ensure data integrity and minimize read errors.
8. Power Consumption:
- Energy Efficiency: Typical power consumption is around 6 to 7 watts when running and 5 watts when idle. This provides reasonable energy efficiency compared to other hard drives.
9. MTBF (Mean Time Between Failures):
- Lifespan: The MTBF is typically around 1 million hours, indicating high reliability and longevity of the hard drive.
10. Operating System Compatibility:
- Compatibility: The hard drive is compatible with most modern operating systems, including Windows, macOS and Linux.
Features
1. High Storage Capacity:
- 640GB Storage Space: Provides ample space for a variety of applications including operating systems, programs and personal files.
2. Fast Data Transfer:
- 7200 RPM rotation speed: This speed provides good performance in read and write operations, resulting in faster data transfers and better system response time.
3. Large Cache:
- 32MB Cache: The large cache memory helps improve performance by caching frequently used data and increasing the overall speed of the hard drive.
4. Reliability:
- Error correction: The hard drive uses mechanisms to ensure data integrity and minimize read errors, which increases reliability.
5. Energy efficiency:
- Low power consumption: Moderate power consumption during idle and operation helps save energy and reduce heat generation.
6. Noise level:
- Drive noise: The WD Caviar Black series is known for its relatively quiet operating noise compared to other hard drives, which contributes to a more pleasant user experience.
7. Management software:
- WD Data Lifeguard Tools: The hard drive is compatible with WD Data Lifeguard software, which provides tools to diagnose, monitor and manage the hard drive.
Application area
1. Desktop computers:
- Primary storage: Ideal for use as the primary hard drive in desktop computers, where it serves as storage for the operating system, programs and personal files.
2. Data archiving:
- Long-term storage: The hard drive can be used for archiving large amounts of data, including media and project files.
3. Backup solutions:
- Data protection: Suitable for backups and additional data storage solutions to keep important information safe.
4. Gaming:
- Game data: Can be used to store games and game saves to ensure fast loading time and efficient data access.
5. Multimedia applications:
- Media processing: Ideal for storing and editing multimedia files such as photos and videos that require large amounts of data.
6. Expansion of storage space:
- Additional storage: Provides an easy way to expand the storage space of a computer without having to replace the internal drive.
7. Workstations:
- Power-intensive applications: Due to the high rotation speed and large cache, the hard drive is also suitable for workstations that need to process demanding applications and large amounts of data.
Conclusion
The WDC WD6401AALS-00L3B2 is a powerful and reliable hard drive from Western Digital with 640 GB storage capacity, designed for use in desktop computers and other systems. With a 7200 RPM rotation speed, a generous 32 MB cache and the SATA II interface, it offers a good balance between performance, capacity and energy efficiency. The hard drive is ideal for everyday computer use, data backup, media processing and as additional storage space. It offers high reliability, reasonable power consumption and quiet operating noise, making it a solid choice for various storage needs.
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WDC WD6401AALS-00L3B2 and the compatible operating systems
Windows Server 2025, 2022, 2019, 2016, ... or 2008 and higher
Windows 12, 11, 10 or Windows 7 and higher
Linux (various distributions)
macOS (from version 10.6)
Please note that the exact functions and areas of application may vary depending on the firmware version and configuration of WDC WD6401AALS-00L3B2.
The WDC WD6401AALS-00L3B2 is a reliable disk in case of problems, failures, file loss and other errors, check the drivers of the WDC WD6401AALS-00L3B2 regardless of whether it is under Windows 12, 11, 10, etc. or Linux and Apples macOS.