WDC WD20EARX-00PASB0 ATA Device
User Benchmarks
| Model | Type | Score | Seq. Read MB | Seq. Write MB | Read 4k64QD | Write 4k64QD | Read Access msek. | Write Access msek. |
| WDC WD20EARX-00PASB0 ATA Device | 2000 | 263 | 119 | 108 | 0.56 | 1.21 | 8.15 | 3.49 |
| WDC WD20EARX-00PASB0 ATA Device | 2000 | 236 | 113 | 89 | 0.61 | 1.18 | 9.36 | 3.67 |
| WDC WD20EARX-00PASB0 ATA Device | 2000 | 227 | 96 | 97 | 1.17 | 1.27 | 7.86 | 3.23 |
| WDC WD20EARX-00PASB0 ATA Device | 2000 | 205 | 108 | 77 | 0.79 | 0.28 | 7.11 | 15.67 |
| WDC WD20EARX-00PASB0 ATA Device | 2000 | 149 | 88 | 47 | 0.82 | 0.30 | 6.88 | 17.66 |
The measurement of the WDC WD20EARX-00PASB0 ATA Device was carried out on Windows. Similar read and write speeds could certainly be achieved with the WDC WD20EARX-00PASB0 ATA Device under Linux and MacOS. Of course, the correct hard drive driver should be installed and the correct interface for the WDC WD20EARX-00PASB0 ATA Device should be used.
The Western Digital WD20EARX-00PASB0 is a hard drive designed for various applications in desktops and external storage solutions. Here is the detailed information about this model:
Technical details
1. Capacity:
- 2 TB (Terabyte)
2. Interface:
- SATA III 6 Gb/s (compatible with SATA II and SATA I)
3. Speed:
- 5400 rpm (revolutions per minute)
4. Buffer size (cache):
- 64 MB
5. Form factor:
- 3.5 inch (standard size for desktop hard drives)
6. Average access time:
- Approximately 8.9 ms
7. Average data transfer rate:
- Up to 150 MB/s (depending on interface and other factors)
8. Height:
- Typical 26.1 mm
9. Weight:
- Approximately 670 g
Functions
1. SATA III interface:
- Supports high data transfer rates up to 6 Gb/s, but is also backwards compatible with older SATA versions (SATA II and SATA I).
2. IntelliPower-Technologie:
- Optimizes energy efficiency by adjusting the hard drive speed to find a balance between performance and power consumption.
3. Advanced Format (4K Sector):
- Improves storage efficiency and reliability by using larger 4K sectors, replacing the traditional 512-byte sector size.
4. Data Lifeguard-Technologie:
- Provides error checking and correction to increase data security and extend hard drive life.
5. S.M.A.R.T.-Technologie:
- (Self-Monitoring, Analysis, and Reporting Technology) Monitors the hard drive for potential errors and helps detect failures early.
6. Green technology:
- Designed for energy efficient operation, resulting in reduced power consumption.
Areas of application
1. Desktop-Computer:
- Ideal as a main drive for storing operating systems, applications and data. The high capacity of 2 TB offers plenty of space for large amounts of data.
2. Backup storage:
- Great as a backup drive for backing up important data.
3. Multimedia storage:
- Suitable for storing large multimedia files such as videos, music and photos.
4. System Upgrades:
- A good option for upgrades in older computers to provide additional storage space and replace existing HDDs.
5. External housing:
- Can be built into an external hard drive system to provide portable storage for various applications.
Performance and reliability
The WD20EARX-00PASB0 offers solid performance for a 5400 RPM hard drive. While the 5400 RPM speed is not as fast as 7200 RPM hard drives, it still offers sufficient performance for everyday applications. The 64 MB cache supports faster data processing. Advanced Format Technology and SMART functionality improve the efficiency and reliability of the hard drive. IntelliPower technology ensures balanced power consumption, making the hard drive more energy efficient.
Availability
The WD20EARX-00PASB0 was a popular choice for users looking for large capacity at a reasonable price. It may have been replaced by newer models that offer faster speeds and additional features, but it remains a reliable option for users who have large storage needs and need a proven hard drive for desktops or as a backup drive.
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WDC WD20EARX-00PASB0 ATA Device 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 WD20EARX-00PASB0 ATA Device.
The WDC WD20EARX-00PASB0 ATA Device is a reliable disk in case of problems, failures, file loss and other errors, check the drivers of the WDC WD20EARX-00PASB0 ATA Device regardless of whether it is under Windows 12, 11, 10, etc. or Linux and Apples macOS.