Just sharing. Not sure if it's a good thing for NVRs or not
http://www.ebay.com/itm/Hitachi-Ultrastar-7K3000-HUA723020ALA641-2TB-64MB-cache-Internal-Hard-Drive-/262424239086?customid=3aa770a21ca711e6a7ab8ee118ea39140INT&pub=5574652453&campid=5335869999&afepn=5335869999&afepn=5335869999&rmvSB=true
http://www.ebay.com/itm/Hitachi-Ultrastar-7K3000-HUA723020ALA641-2TB-64MB-cache-Internal-Hard-Drive-/262424239086?customid=3aa770a21ca711e6a7ab8ee118ea39140INT&pub=5574652453&campid=5335869999&afepn=5335869999&afepn=5335869999&rmvSB=true
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