Parameters of WDC WD20EARS-55MVWB0 with Firmware 51.0AB51
| General information | |
|---|---|
| Trademark | Western digital |
| Model | WDC WD20EARS-55MVWB0 |
| Capacity | 1.8 TB |
| Interface | SATA |
| SATA version | 2.6 |
| Firmware | 51.0AB51 |
| Firmware upgrade | supported |
| ATA version | 8 (ACS) |
| Advanced Format | not supported |
| Units tested | 4 |
| Times tested | 8 |
| Performance | |
| Maximum interface speed | 300 MB/s |
| Maximum buffered read speed | 238 MB/s |
| Maximum read speed | 125 MB/s |
| Minimum average access time | 20.61 msec |
| Volatile write cache | supported |
| Read look-ahead | supported |
| Command Queuing Optimization (NCQ) | supported |
| Advanced Power Management (APM) | not supported |
| Acoustic Management (AAM) | supported |
| Reliability | |
| Count of sensors | 17 |
| Free-fall Control | not supported |
| SMART Command Transport (SCT) | supported |
| Duration of full self test | > 255 minutes |
| Critical maximum temperature | 85°C (185°F) |
| Recommended maximum temperature | 60°C (140°F) |
| Maximum temperature | 51°C (123°F) |
| Average maximum temperature | 45°C (113°F) |
| Security | |
| Drive access restriction | supported |
| Enhanced security erase | supported |
| Data destruction time | 374 minutes |
| Instant data destruction | not supported |
| Host protected area (HPA) | supported |
| Host protected area password | supported |
| Trusted computing | not supported |