CPUVault lists 39 Intel processors for the Socket 604 socket, launched between 2004 and 2008: 39 server. They span 8 architectures: Nocona, Cranford, Paxville DP, Paxville MP, Potomac and Tulsa and 2 more. Core counts run from 1 to 6 and TDP from 50W to 150W. Memory types listed for these processors: DDR2 and FB-DIMM DDR2.