secure fast harddrive wipe - 2 terrabyte drives

i have a bunch of large drives that i need to "nuke" i have dban but it is literally taking for ever. Is there a faster method?
I am use a dual port cradle to "nuke" 2 drives at a time. I would prefer to run some sort of iso via easy2boot or some bootable usb disk. Also, would like a free utility or one that is fast and effective and reasonably priced.
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☠ MASQ ☠Commented:
Not if you want a secure wipe
You'll need to overwrite each byte more than once so if you've lots of bytes it takes a long time.
Faster machines write faster and using a dual cradle means you're sharing a single USB connection to alternate between the two drives.  You're going to be quicker instantly if you connect each drive directly to its own SATA or eSATA connector.

dBAN already has a bootable .iso option.
The USB is the bottleneck.  Get an eSATA or a SAS/SATA controller with an expander.

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bbimisAuthor Commented:
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How fast is dban for you? I've used it a lot and it is not fast on any hardware, it is a rather picky software.
So how many MB/s does it use? A modern 2 TB drive should allow between 50 and 150MB/s.
Dban is slow.  As they say, you get what you pay for.   The software makes no attempt to determine optimal read or write I/O size (which varies by drive and controllers) to minimize latency and maximize throughput
bbimisAuthor Commented:
okay with esata as noted Dban is still slow.  Is there a commercial product that will optimize the read and/or write I/O size and get this task done in a reasonable manner?  Thanks!
I use wipeDisk by but it's no longer available for download. I could send it, it's small, just provide your mail address. It works fast.
Isn't that rather moot?  The software is not public domain.  Only the owner of the software can distribute it.
He just got a test version with the possibility to request  a full version against a donation from the author - I guess that's still valid.
Steve SiCommented:
HDDErase uses the in-built erase function of modern drives - it is much quicker!
warning on HDDErase - it won't work on all motherboards.  Also the built-in capability does not apply to SCSI, FC, or SAS drives (if that is something you need, if not, doesn't matter).
bbimisAuthor Commented:
steve: do you have a working link for that hdderase program (would like to give it a try). The link on the website you posted does not work for me.  Thanks!
UCSD's secure erase uses the same low-level commands as HDDErase.  it is just takes 3 opcodes to do it.  But same comment as before, it will NOT work on all motherboards, and you run risk of turning the disk into a paperweight .. forever.  

The way to know if it is safe it to contact the mobo maker and make sure that the ATA SECURITY commands such as the SECURITY FREEZE LOCK run unencumbered and the BIOS doesn't muck with the password or add any leading bytes

SOME MOTHERBOARDS DO.  (And see my previous post about using ATA bridges such as USB_attached enclosures.  I can almost guarantee you won't find one that will work with the ATA SECURITY command set)
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