Crystal Mark

[robopet3]

However for an All-Flash array (or really, anything more than a single disk) it is a completely unsuitably tool. Non-Unique data, insufficient queuing, limited dataset size and limited runtime mean that any results generated are going to be completely unrealistic.

As a tool to test the performance of a single HDD or SSD in a laptop, CrystalDiskMark likely does a fairly reasonably job.
https://blog.docbert.org/flash-testing-tools-crystaldiskmark/