description: amd phenom x4 9550 quad core processor hd9550wcghbox amd phenom™ 9000 series processor. built from the ground up for true quad-core performance, amd phenom 9000 series processors incorporate a unified high-speed l3 cache and high-speed ddr2 memory. speed through complex multitasking, critical business productivity, advanced visual design and modeling and visually stunning digital media and entertainment. whether it's a single solution or an enterprise system, amd phenom processors have the power to perform. product description : amd phenom x4 quad-core model : 9550 core speed : 2200 mhz system bus : 3600 mhz l1 cache size : 128 kb l1 cache count : 4 l2 cache size : 512 kb l2 cache count : 4 l3 cache size : 2048 kb voltages : 1.10/1.15/1.20/1.25v wattage : 95 w cmos : 65nm socket : am2+