Does anyone have a good source of 60-100gb hard drives?

Just got my first big donation to my recycling program, 51 desktops including 8 core2duo machines and 35 pentiumD machines. As part of the agreement with the donating entity, the hard drives will have to be destroyed - my scrap yard will mag them and then get us a certificate of destruction in a month or two when they get sent to the processor.

So I have all these decent machines that would still work good for internet/word processing machines, but I don't have hard drives for them. I have been looking on the web and all I can find is drives for $30 per drive at the lowest.

Does anyone have a good stack of hard drives they would like to get rid of, or know a good source to get bulk hard drives? I don't necessarily need new, just working and preferably SATA drives.

Thanks for any advice you guys have, I wouldn't be in this position if I hadn't been lurking on this forum for the last year!

Yes I agree it would be nice to get the cert quicker, but since I am wiping the drives with the electromagnet 3 days after I picked them up they are not worried about their data being stolen. I guess one other way to go about it would be do show the process I am going to use (electromagnet at scrap yard) and then give them the option to let me re-use the drives. I tell my customers I go with the strictest policy first (mag and then destruction) and they can tell me if they are ok with less.

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Originally Posted by 4barrel

I guess one other way to go about it would be do show the process I am going to use (electromagnet at scrap yard) and then give them the option to let me re-use the drives.

It's my understanding that degaussing a hard drive renders it useless. Was my source incorrect?

http://degausser.com/

"Hard disk drives and LTO and 3590 tape employ servo tracks and cannot be reused after being degaussed unless they are reformatted by the manufacturer and the servo tracks are rewritten."

Very good information to know - I was figuring that it would just blank out the drive completely, but if it disables the drive itself that is also good to be able to tell my customers. I use a program called DBAN for wiping drives that I have permission to re-use, which over writes the drive multiple times - I guess I could advertise that I "Clean personal information off your hard drive with a DOD rated software" or something similar like that - I have read other recycling sites that use that statement.