KDiskMark is an HDD and SSD benchmark tool with a very friendly graphical
user interface.  KDiskMark with its presets and powerful GUI calls Flexible
I/O Tester and handles the output to provide an easy to view and interpret
comprehensive benchmark result.  The program is written in C++ with Qt and
needs a minimal set of KDE dependencies (KF5Auth).

It is inspired by and resembles famous CrystalDiskMark program for Windows.