With the power of four CPUs, this Intel Xeon E5430 Socket 771 Quad-Core CPU will power through any application faster than ever before! It's the ideal upgrade for dual processor servers and workstations! This Xeon processor features a 2.66 GHz clock speed with a 1333 MHz bus speed and 12 MB L2 cache. With support for Intel Virtualization Technology (VT-x), Intel 64, Intel Demand Based Switching, Thermal Monitoring Technologies and more, you'll enjoy maximum processing performance. Simply install in your motherboard's Socket 771 CPU slot and add the heat sink and fan! Order this Intel Xeon E5430 2.66 GHz Socket 771 Quad-Core CPU today!