A commercial Windows-based software write blocker that allows you to block multiple connected disks simultaneously. A 7-day trial license is often available for testing.
For those who prefer not to download software, you can manually create a write blocker by editing the : Write Blocker Software Download
A widely used, free Linux-based forensic suite that includes built-in write blocking . It allows you to boot into a "live" environment to image drives safely without additional hardware. Write Blocker Software Download