458579B21 – Intel Xeon DP Quad-core E5405 2.0GHz – Processor Upgrade 2 GHz – 1333 MHz FSB – 12 MB L2 – Socket J

This industrys first quad-core processor for mainstream servers provides breakthrough performance and capabilities for the ultimate in powerful, dense and energy efficient servers. With the Quad-Core Intel Xeon processor you get breakthrough performance – up to 50% greater than the industry-leading Dual-Core Intel Xeon processor in the same power envelope.