The boxed Intel Pentium 4 3E processor has a base frequency of 3 GHz and a 1MB L2 cache, making it a reliable choice for computer enthusiasts looking for performance. Note: The processor is labelled as per Intel’s labeling policy as 3 GHz (not 3E) and features a Socket 478/N socket type, ensuring compatibility with a variety of systems. With a bus speed of 800 MHz and one core, this processor offers a balance of speed and efficiency for everyday computing tasks. This unit is ideal for those seeking a quality CPU to upgrade their system.