The Xeon X5650 2.66 GHz Six Core, 12-thread processor from Intel has advanced features such as ECC memory support. With Intel's reputation for technology and virtualization, this processor is built to handle the ever-changing demands of virtualization and a consolidated computing environment. This processor is engineered to deliver top-quality performance with power efficiency. The Intel Xeron X5650 is compatible with PC systems. Install this CPU on motherboards that have integrated Socket B slots. When you need faster access to the data that your company uses most often, the 64-bit Xeon processor accomplishes it by using an integrated L1 cache of 32 KB, 256 KB L2, and 12 MB L3 cache size.