WDC WD20 EARS-00J99B0 SCSI Disk Device
User Benchmarks
| Model | Type | Score | Seq. Read MB | Seq. Write MB | Read 4k64QD | Write 4k64QD | Read Access msek. | Write Access msek. |
| WDC WD20 EARS-00J99B0 SCSI Disk Device | 2000 | 205 | 97 | 84 | 0.44 | 0.89 | 11.39 | 4.88 |
The measurement of the WDC WD20 EARS-00J99B0 SCSI Disk Device was carried out on Windows. Similar read and write speeds could certainly be achieved with the WDC WD20 EARS-00J99B0 SCSI Disk Device under Linux and MacOS. Of course, the correct hard drive driver should be installed and the correct interface for the WDC WD20 EARS-00J99B0 SCSI Disk Device should be used.
The WDC WD20EARS-00J99B0 is a 2 TB hard drive from Western Digital that belongs to the WD Green series. This series is known for its energy efficiency and environmentally friendly properties. Here is a detailed description including technical details, features and application areas:
1. General Description:
The WDC WD20EARS-00J99B0 is a 3.5-inch SATA hard drive with a capacity of 2 terabytes (TB). It is designed for desktop computers and NAS (Network Attached Storage) systems and offers large storage capacity with a focus on energy efficiency and quiet operation. This hard drive uses the SATA II interface but is backwards compatible with SATA III.
2. Technical details:
- Model name: WDC WD20EARS-00J99B0
- Capacity: 2 TB (terabytes)
- Form factor: 3.5 inches
- Interface: SATA II (3 Gb/s) (compatible with SATA III)
- Speed: 5400 RPM (Revolutions Per Minute)
- Cache memory: 64 MB
- Average access time: About 12 ms
- Average data transfer rate:
- Read: Up to 130 MB/s
- Write: Up to 130 MB/s
- Operating temperature: 0°C to 60°C
- Volume:
- Operating volume: About 29 dB(A)
- Idle volume: About 22 dB(A)
- Weight: About 635 grams
- Dimensions: 147 x 101.6 x 26.1 mm (LxWxH)
- MTBF (Mean Time Between Failures): Up to 1 million hours
- Reliability Rating: 600,000 hours (Annualized Failure Rate - AFR)
3. Features:
- High Capacity: With 2 TB of storage, the hard drive is ideal for large amounts of data, including movies, music, photos and software.
- 5400 RPM: The lower rotation speed of 5400 RPM reduces power consumption and heat generation compared to 7200 RPM hard drives, contributing to longer lifespan and quiet operation.
- 64 MB Cache: The integrated 64 MB cache helps store and retrieve frequently used data quickly, improving overall performance.
- Energy Efficiency: The WD Green series is specifically optimized for energy consumption, making the hard drive more environmentally friendly and power efficient.
- Quiet Operation: The hard drive is optimized for quiet operation, making it ideal for noise-sensitive environments.
4. Application Area:
- Desktop PCs: Ideal for desktop computers to store large amounts of data, be it personal data, multimedia content or software.
- NAS Systems: Can be used in Network Attached Storage systems that require large storage capacity with low energy consumption.
- Backup Solutions: Suitable for backup and archiving purposes due to its large capacity.
- Storage Upgrades: Useful for upgrading existing systems to provide additional storage space.
5. Design and Ease of Use:
- Compact Design: The 3.5-inch form factor is a standard format that fits into most desktop cases.
- Easy installation: The SATA II interface allows easy integration into most modern computer and NAS systems. The hard drive is backwards compatible with SATA III interfaces.
- Low maintenance: The WD Green series is designed for continuous operation and does not require any special maintenance measures.
6. Reliability and durability:
- Warranty: Western Digital normally offers a limited warranty of 2 years on their WD Green hard drives.
- Lifespan: The high MTBF of up to 1 million hours and AFR of 600,000 hours show that the hard drive is designed for continuous operation and offers a long service life.
7. Additional information:
- SMART support: The hard drive supports SMART (Self-Monitoring, Analysis, and Reporting Technology), which helps monitor drive health and warns of possible failures.
- Compatibility: The WD20EARS-00J99B0 is compatible with most desktop systems and NAS devices that support a SATA interface.
Summary:
The WDC WD20EARS-00J99B0 is a 2 TB 3.5-inch SATA hard drive that impresses with its high capacity and energy-efficient performance. With a speed of 5400 RPM and a 64 MB cache, it offers good performance for data access while reducing power consumption and noise levels. This hard drive is ideal for desktop PCs and NAS systems that require large storage capacity and a long service life with low running costs. Its quiet operating noise and energy efficiency make it an attractive choice for a wide range of applications.
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WDC WD20 EARS-00J99B0 SCSI Disk 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 WD20 EARS-00J99B0 SCSI Disk Device.
The WDC WD20 EARS-00J99B0 SCSI Disk Device is a reliable disk in case of problems, failures, file loss and other errors, check the drivers of the WDC WD20 EARS-00J99B0 SCSI Disk Device regardless of whether it is under Windows 12, 11, 10, etc. or Linux and Apples macOS.