Parameters of WDC WD20EFPX-68C4TN0 with Firmware 81.00A81
| General information | |
|---|---|
| Trademark | Western digital |
| Model | WDC WD20EFPX-68C4TN0 |
| Capacity | 2 TB (1.8 TiB) |
| Form-factor | 3.5" |
| Type | HDD |
| Interface | SATA |
| SATA version | 3.1 |
| Firmware | 81.00A81 |
| Firmware upgrade | supported |
| ATA version | ACS-3 |
| Advanced Format | supported |
| Units tested | 1 |
| Times tested | 1 |
| Performance | |
| Maximum interface speed | 600 MB/s |
| Maximum buffered read speed | 222 MiB/s |
| Maximum read speed | 194 MiB/s |
| Minimum average access time | 16.97 msec |
| Volatile write cache | supported |
| Read look-ahead | supported |
| Native command queuing (NCQ) | supported |
| Advanced power management (APM) | not supported |
| Acoustic management (AAM) | not supported |
| Clearing unused data (TRIM) | not supported |
| Rotation rate | 5400 rpm |
| Reliability | |
| Count of sensors | 17 |
| Free-fall control | not supported |
| SMART command transport (SCT) | supported |
| Full self-test time | 215 minutes |
| Critical maximum temperature | 85°C (185°F) |
| Recommended maximum temperature | 65°C (149°F) |
| Maximum temperature | 40°C (104°F) |
| Average maximum temperature | 40°C (104°F) |
| Security | |
| Drive access restriction | supported |
| Enhanced security erase | supported |
| Data destruction time | 218 minutes |
| Instant data destruction | not supported |
| Host protected area (HPA) | not supported |
| Trusted computing | not supported |