The Xeon X5680 3.33 GHz Six Core Processor by Intel delivers performance and power efficiency. To help you gain faster access to frequently used data, this 64-bit Xeon processor comes with an integrated L1 cache of 32 KB, 256 KB L2, and 2 MB L3 cache size. Well suited for PC systems, the CPU can be installed on motherboards that come with integrated socket B slots.