IntelÃÆ'ƒâ€šÃÆ'‚® XeonÃÆ'ƒâ€šÃÆ'‚® E5640, 4 core, 2.66GHz Processor SLBVC (B-Grade) - Central Valley Computer Parts
Amazon.com: Intel Xeon E5640 SLBVC Quad-Core 2.67GHz CPU Kit for Dell PowerEdge T410
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