I am not sure if this idea is up your alley but what I did was buy some external HD case's off ebay for around $10 and put my own drives in. I have one that is hooked to my dvr and it runs 24/7 and is at least 2yrs old. I have 2 others as well and they are still working great.
Richard

DOG is GOD spelled backwards.
What others think of me is none of my business.
M80 V3 MY GLOSS Cherry