VR Zone reports Intel's latest roadmap shows Xeon 5300 based series quad-core processors with three prefixes: X, E and L.
X denotes Performance Optimized so called the Clovertown Extreme Edition while E denotes mainstream and L denotes low voltage. The Xeon X5355 will be clocked at 2.66Ghz, with 2 x 4MB L2 and 1333FSB topping 120W TDP to be available in Q4 this year for $1172.
We also heard that there will be 3GHz version of the Xeon X class next year. There will be 3 models for the "E" mainstream class; E5345 at 2.33Ghz, E5320 at 1.83Ghz and E5310 at 1.6GHz featuring 2 x 4MB L2, 1066FSB and 80W TDP. The prices are $455, $690, and $851 respectively.