| Trademark |
Samsung |
| Model |
Samsung SSD 840 Series |
| Capacity |
465.7 GB |
| Interface |
SATA |
| SATA version |
3.1 |
| Firmware |
DXT09B0Q |
| Alternative firmwares |
4 |
| Firmware upgrade |
supported |
| SSD controller |
Samsung |
| ATA version |
ACS-2 |
| Advanced Format |
not supported |
| Units tested |
14 |
| Times tested |
29 |
| Performance |
|
| Maximum interface speed |
600 MB/s |
| Maximum read speed |
400 MB/s |
| Minimum average access time |
0.9 msec |
| Volatile write cache |
supported |
| Read look-ahead |
supported |
| Native command queuing (NCQ) |
supported |
| Advanced power management (APM) |
not supported |
| Device sleep (DevSleep) |
not supported |
| Clearing unused data (TRIM) |
supported |
| Reliability |
|
| Count of sensors |
14 |
| SMART command transport (SCT) |
supported |
| Full self-test time |
70 minutes |
| Recommended maximum temperature |
70°C (158°F) |
| Maximum temperature |
70°C (158°F) |
| Average maximum temperature |
70°C (158°F) |
| Security |
|
| Drive access restriction |
supported |
| Enhanced security erase |
supported |
| Data destruction time |
2 minutes |
| Instant data destruction |
supported |
| Host protected area (HPA) |
supported |
| Host protected area password |
supported |
| Trusted computing |
not supported |
| ### Backlinks |
|