| General information |
|---|
| Trademark | SK hynix |
| Model | SK hynix SC311 SATA 256GB |
| Capacity | 238.4 GB |
| Interface | SATA |
| SATA version | 3.2 |
| Form-factor | M.2 |
| Firmware | 70000P10 |
| Alternative firmwares | 1 |
| Firmware upgrade | supported |
| SSD controller | SK hynix |
| ATA version | ACS-3 |
| Advanced Format | supported |
| Units tested | 31 |
| Times tested | 48 |
| Performance |
|---|
| Maximum interface speed | 600 MB/s |
| Maximum buffered read speed | 459 MB/s |
| Maximum read speed | 427 MB/s |
| Minimum average access time | 0.6 msec |
| Volatile write cache | supported |
| Read look-ahead | supported |
| Native command queuing (NCQ) | supported |
| Advanced power management (APM) | supported |
| Device sleep (DevSleep) | supported |
| Clearing unused data (TRIM) | supported |
| Reliability |
|---|
| Count of sensors | 30 |
| SMART command transport (SCT) | supported |
| Full self-test time | 40 minutes |
| Critical maximum temperature | 125°C (257°F) |
| Recommended maximum temperature | 80°C (176°F) |
| Maximum temperature | 74°C (165°F) |
| Average maximum temperature | 58°C (136°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 |