Aggressively staking its claim as the lone company outside of Apple selling Mac OS X systems, Psystar on Thursday has unveiled a pair of Xserve-like rackmount computers unofficially based on Apple's Mac OS X Leopard Server.

Unlike Apple's servers, users can also specify a standard copy of Mac OS X Leopard rather than the server-class software, bringing the price of the base OpenServ to $1,724 with the software selection.

Psystar taunts Apple with Xserve clone