| General information |
|---|
| Trademark | Hitachi |
| Model | Hitachi HDS722020ALA330 |
| Capacity | 1.8 TB |
| Interface | SATA |
| SATA version | 2.6 |
| Form-factor | 3.5" |
| Firmware | JKAOA10D |
| Alternative firmwares | 8 |
| Firmware upgrade | supported |
| ATA version | 8 (ACS) |
| Advanced Format | not supported |
| Units tested | 3 |
| Times tested | 8 |
| Performance |
|---|
| Maximum interface speed | 300 MB/s |
| Maximum buffered read speed | 231 MB/s |
| Maximum read speed | 124 MB/s |
| Minimum average access time | 13.19 msec |
| Cache buffer | 29.3 MB |
| Volatile write cache | supported |
| Read look-ahead | supported |
| Native command queuing (NCQ) | supported |
| Advanced power management (APM) | supported |
| Acoustic management (AAM) | supported |
| Clearing unused data (TRIM) | not supported |
| Rotation rate | 7200 rpm |
| Reliability |
|---|
| Count of sensors | 17 |
| Free-fall control | not supported |
| SMART command transport (SCT) | supported |
| Full self-test time | > 255 minutes |
| Critical maximum temperature | 70°C (158°F) |
| Recommended maximum temperature | 60°C (140°F) |
| Maximum temperature | 76°C (168°F) |
| Average maximum temperature | 75°C (167°F) |
| Security |
|---|
| Drive access restriction | supported |
| Enhanced security erase | not supported |
| Data destruction time | 520 minutes |
| Instant data destruction | not supported |
| Host protected area (HPA) | supported |
| Host protected area password | supported |
| Trusted computing | not supported |