Dell Dual-Core Athlon X2 4450B processor gives you the performance and efficiency to handle real world workloads, with superior value and energy efficiency at every price point. It features AMD64 technology that provides full speed support for x86 code base for uncompromising performance. The HyperTransport technology allows for high speed I/O communication. Additionally, it is incorporated with PowerNow technology for quieter operation and reduced power requirements. The AMD Athlon 64 X2 Dual-Core processor is fully compatible with existing software, while enabling a seamless transition to 64-bit as well as 32-bit applications.