LGA775 800FSB & 533FSB Pentium-4 & Celeron D 478-pin 800FSB Pentium-4 & 533MHz Celeron D 533MHz Xeon DP Processors 800FSB Xeon DP with 1M & 2M L2 Cache Processors LGA775 800FSB "6xx" Pentium-4 T's w/EM64T