Seems some of Sis's video collection have different file hashes between her old laptop and the file server.

This happened before the NAS upgrade in September 2022, so I can rule out my RAID5 setup there. The original copies are still on the old laptop, so I am retrieving those now. But, something's up with the drive installed in the laptop.

I have since changed the RAM somewhere around April 2023. I have also found out that I can use unbuffered ECC RAM on the ASUS P5N-E SLI board; however, it may not actually use ECC on the system.