| General information |
|---|
| Trademark | Samsung |
| Model | SAMSUNG HD040GJ |
| Capacity | 37.2 GB |
| Interface | SATA |
| Firmware | ZG100-47 |
| Alternative firmwares | 3 |
| Firmware upgrade | supported |
| ATA version | 7 |
| Advanced Format | not supported |
| Units tested | 2 |
| Times tested | 3 |
| Performance |
|---|
| Maximum interface speed | 300 MB/s |
| Maximum buffered read speed | 123 MB/s |
| Maximum read speed | 56 MB/s |
| Minimum average access time | 13.30 msec |
| Cache buffer | 8 MB |
| Volatile write cache | supported |
| Read look-ahead | supported |
| Native command queuing (NCQ) | supported |
| Advanced power management (APM) | not supported |
| Acoustic management (AAM) | supported |
| Reliability |
|---|
| Count of sensors | 21 |
| Free-fall control | not supported |
| SMART command transport (SCT) | supported |
| Full self-test time | 15 minutes |
| Maximum temperature | 48°C (118°F) |
| Average maximum temperature | 44°C (111°F) |
| Security |
|---|
| Drive access restriction | supported |
| Enhanced security erase | supported |
| Data destruction time | 22 minutes |
| Instant data destruction | not supported |
| Host protected area (HPA) | supported |
| Host protected area password | supported |
| Trusted computing | not supported |