HP Intel Core 2 Quad Q9550S, Intel® Core™2 Quad, LGA 775 (Socket T), 45 nm, Tray, Q9550S, 2.83 GHz HP Intel Core 2 Quad Q9550S. Processor family: Intel® Core™2 Quad, Processor socket: LGA 775 (Socket T), Processor lithography: 45 nm. Number of Processing Die Transistors: 820 M, Processing Die size: 214 mm². Intel® Virtualization Technology (Intel® VT): VT-d, VT-x