A group named LimitTeam successfully overclocked AMD 's Deneb 45 nm Phenom II X4 955 processor ( Black Edition ) on April 30 , 2009 .
A group named LimitTeam successfully submitted the results for validation to CPU - Z .
A group named LimitTeam successfully overclocked AMD 's Deneb 45 nm Phenom II X4 955 processor ( Black Edition ) on April 30 , 2009 , and submitted the results for validation to CPU - Z .