http://www.tomshardware.com/picturestory/582-petarack-petabyte-sas.html#xtor=RSS-182

$495,000 too...

The Petarack consists of eight JBODs. Each JBOD carries 45 nearline, SAS hard drives with 3 TB of capacity each. This makes for a total of 360 drives, resulting in 1080 TB of storage. Anticipating the bickering over capacity calculations, Aberdeen clarifies with the following: “The Petarack carries 1080 TB, going by the decimal capacity written on the hard drives themselves.”