Processor upgrade - 1 x Intel Xeon 3 MHz ( 667 MHz ) - L2 4 MB.Intel Xeon processors give your enterprise the power to evolve in manageable ways. Now with dual-core technology, servers based on Intel Xeon processors provide the built-in standards, stability, and scalability your infrastructure needs to move your business forward. Intel Dual-Core Xeon processors help protect investment in existing applications and infrastructure through increased performance headroom and scalability to the most widely deployed 64-bit server platforms.