| General information |
|---|
| Trademark | Western digital |
| Model | WDC WD4001FFSX-68JNUN0 |
| Capacity | 3.6 TB |
| Interface | SATA |
| SATA version | 3.0 |
| Firmware | 81.00A81 |
| Firmware upgrade | supported |
| ATA version | 8 (ACS) |
| Advanced Format | supported |
| Units tested | 3 |
| Times tested | 3 |
| Performance |
|---|
| Maximum interface speed | 600 MB/s |
| Maximum buffered read speed | 430 MB/s |
| Maximum read speed | 185 MB/s |
| Minimum average access time | 12.26 msec |
| Volatile write cache | supported |
| Read look-ahead | supported |
| Native command queuing (NCQ) | supported |
| Advanced power management (APM) | supported |
| Acoustic management (AAM) | not supported |
| Clearing unused data (TRIM) | not supported |
| Rotation rate | 7200 rpm |
| Reliability |
|---|
| Count of sensors | 19 |
| Free-fall control | not supported |
| SMART command transport (SCT) | supported |
| Full self-test time | > 255 minutes |
| Critical maximum temperature | 85°C (185°F) |
| Recommended maximum temperature | 60°C (140°F) |
| Maximum temperature | 65°C (149°F) |
| Average maximum temperature | 61°C (141°F) |
| Security |
|---|
| Drive access restriction | supported |
| Enhanced security erase | supported |
| Data destruction time | 454 minutes |
| Instant data destruction | not supported |
| Host protected area (HPA) | supported |
| Host protected area password | supported |
| Trusted computing | not supported |