HD Tune - HD Tune Pro is a hard disk / SSD utility with many functions. It can be used to measure the drive's performance, scan for errors, check the health status (S. M. A. R.
CrystalMark - CrystalMark is a full included benchmark application that can be utilized for surveying the execution and capacities of a PC.
Blackmagic Disk Speed Test - Blackmagic Disk Speed Test is a tool that allows users to quickly measure disk performance while working on it.
Iometer - As the Iometer Users Guide says, Iometer is an I/O subsystem measurement and characterization tool...
HD Speed - Measures both sustained and burst data transfer rates of your hard disks, cd/dvd-roms, flash...
fio - Generate I/O for benchmarking, stress testing, verification or workload reproduction purposes.