Samsung MZ-7PC128N User Manual page 14

Caution: Never remove the SSD during the Performance Optimization
process. It may result in data loss, damage, or malfunction of the SSD.
NOTE: For best SSD performance, check that AHCI mode is turned on
for the PC. This setting is available in the BIOS.
For previous Performance Optimization and Benchmark results, click the
icon. Select any two entries from the list in "performance test history"
and click the [Compare] button to view their comparison results.
To schedule the Performance Optimization and Benchmark functions to
run at a later time, click the icon to set up the schedule.
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