LaCie “Big Disk” d2 - its a single physical disk in an external enclosure, none of that Oxford / bridge crap 
Used to back up one of my Macs from time to time (rather light use).
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=300091868608
ASKING 79 as buy-it-now, for NYSPEED members I’ll ship it ground free (or take $10 off other shipping methods).