Intel introduced two new quad-core Intel Xeon processors.

Designed for companies running performance-critical server and workstation applications, the Intel Xeon Processor X5365 is the industry's first 3.0 GHz quad-core processor to fit inside a standard 120 watt power envelope. The X5365 also features front-side bus (FSB) speed of 1333MHz. The low energy consuming Intel Xeon Processor L5335, Intel is delivering higher performance quad-core processors designed for servers that require optimal space and power utilization. The processor includes a 2.0 GHz clock speed and 1333MHz FSB within a 50 watt power envelope – or just 12.5 watts per processing core.
Via this Intel press-release.