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Once you complete the steps, the DiskSpd tool will test the hard drive performance based on the parameters you specified in the command. (Optional) Type the following command to test random writes and press Enter: diskspd -d60 -c128M -t4 -o4 -b8k -L -Sh -w100 -r c:\disk-speed-test.dat.(Optional) Type the following command to test sequential writes and press Enter: diskspd -d60 -c128M -t4 -o4 -b8k -L -Sh -w100 -si c:\disk-speed-test.dat.(Optional) Type the following command to test random reads and press Enter: diskspd -d60 -c128M -t4 -o4 -b8k -L -Sh -w0 -r c:\disk-speed-test.dat.(Optional) Type the following command to test sequential reads and press Enter: diskspd -d60 -c128M -t4 -o4 -b8k -L -Sh -w0 -si c:\disk-speed-test.dat.

Also, in the command, do not forget to update the path and filename for the target data file as necessary. See the description below to understand the options I use in the command. As a result, you must type each parameter with the correct case for the command to run correctly. Quick note: This tool is case-sensitive.Type the following command to run the DiskSpd to test a read and write performance of a local hard drive on Windows 10 and press Enter: diskspd -d60 -W15 -C15 -c128M -t4 -o4 -b8k -L -r -Sh -w50 c:\disk-speed-test.dat.If you do not know the system type of the device, you can check on Settings > System > About, under the "Device specifications" section.

Otherwise, if you are using the 32-bit version of the operating system, then you should use the executable in the "x86" folder. If you have a 64-bit version of Windows 10, you need to use the executable inside the "amd64" folder.

Quick note: You must use the version of the tool compatible with your installation.For example, this command opens the tool location inside the "Downloads" folder: cd C:\Users\username\Downloads\DiskSpd\amd64 In the command, specify the command to the destination of the DiskSpd.exe file. Type the following command to navigate to the folder containing the DiskSpd tool and press Enter: cd \PATH\TO\TOOL.Search for Command Prompt, right-click the top result, and select the Run as administrator option.To run the DiskSpd tool with Command Prompt, use these steps: Before proceeding with the performance test, it's recommended to close all running applications and ensure that the storage health is in good condition.