Other World Computing (http://www.macsales.com) has expanded the storage capacity of its OWC Mercury Rack Pro rackmount storage solutions to 12TB.

It touts four hard drive bays each capable of holding up to 3TB each in a 1U rackmount design. The Mercury Rack Pro is available in two RAID and interface models: the “Quad Interface” model with FireWire 800, FireWire 400, USB 2, and eSATA ports and Hardware RAID 0/1/5/10/Span modes; and the eSATA port multiplier RAID ready model.

The Mercury Rack Pro is immediately available in 17 pre-configured solutions, from 2TB to 12TB with manufacturer’s retail pricing starting at US$529.99. The Mercury Rack Pro is compatible with Mac OS X 10.2 and higher, and Windows Windows XP and later operating systems and comes complete with all interface connecting cables, a $200 retail value disk utility software bundle, and up to a five-year solution warranty.