Cables Unlimited Evercool FAN-P4-S478-3 Pentium 4 Socket 478 CPU Cooler 3-pin Connector for ATX mother boards Get the most from your Pentium 4 (Nothwood) and (Prescott) families of processors Offers exceptional performance at a great price Optimize your processor's operating environment Pentium 4 (Northwood) 3.4 Ghz, Pentium 4 (Prescott) 3.4 Ghz