If you absolutely need high-speed zero-fill but cannot or will not pay for the HDDGuru license, consider these free alternatives:
Using modified versions of low-level disk tools can lead to permanent data loss or "bricking" your hardware if the software doesn't behave as expected. 3 Free Alternatives (No Code Required) hddguru low level format license code
The by HDDGURU is a well-known utility used to erase, wipe, and re-initialize hard drives and flash media . While the software is free for basic personal use, a license code unlocks its full potential, specifically removing performance throttles for faster formatting. Understanding the HDD LLF License Options If you absolutely need high-speed zero-fill but cannot