title : HP Compaq ProLiant DL380 G4 XEON 3.4 GHz CPU Heatsink voltage regulator kit SL7PG description : For sale is a 3.4 GHz XEON processor for Compaq ProLiant DL380 G4 server. Included with the CPU is the voltage regulator as the heatsink. If you have a 3.4 GHz socket 604 XEON processor here's an oppotunity to upgrade to dual CPU for better performance. This processor has been tested and confirmed working 100%. Specification as followed: CPU : Intel XEON socket 604 3.4 GHz 1MB Cache 800 MHz BUS SL7PG Copper Heatsink LiteON Voltage Regulator Selling : $99 shipping : $22