SOCKET775, Fsb 800/1066, Dual Core Prescott 3.8GHZ, Conroe X6800, Atx, Intel P96 Supports Socket 775 for Intel Core2 Duo, Pentium 4 (Prescott, P4EE), Pentium D, Pentium XE/Celeron D processors in LGA 775 package Supports Intel 05B/05A and 04B/04A processors Supports EIST technology Supports Intel Hyper-Threading (HT) Technology Supports Intel Dual Core Technology to 1066MHz