I use the "military wipe" function of Dban to wipe my PATA and SATA drives.
Not to be used on SSD's so know your hardware.
yup, just wiping the partition is not enough. (depending on desired level of "clean
Writing random 1's & 0"s repeatedly will do the job.
So will taking a hammer to the platters.
I have a Western Digital hard drive (PATA) that dates back to early 1999. It has thousands of hours on it. SMART indicates no big issues so far.
It serves as a "data drive" on Wife's computer.
Waste Not, Want Not (also applies to Beer ") )