Disclaimer: I won't be held responsible for anything very bad happens to HDD if anyone actually uses this method
1. Plug the HDD in your rig in such a way that you can yank it out anytime i.e. hot swap bay.
2. Start coping a big continuous file like a >10GB iso or rar or zip file.
3. After the copied content reaches ~30-40% of total size, disconnect the SATA power port from the HDD.
4. After the copied content reaches ~30-40% of total size, disconnect the SATA data port from the HDD.
5. Don't plug in the HDD without restarting your PC.
Repeat the process ~25-30 times using one of the step between 3&4. For best result, Use in this sequence:{ 1-2-3-5, 1-2-3-5, 1-2-4-5, 1-2-3-5, 1-2-4-5 }
Congrats! Now you have successfully damaged your HDD.
