Following the release of the Mac Pro, a quick teardown by Other World Computing (OWC) revealed that the tower's Intel Xeon E5 processor was socketed and removable, theoretically allowing for future upgrades. All CPUs in the Mac Pro were found to use the same LGA 2011 socket standardized on the Mac Pro's motherboard. Today OWC confirmed that the Mac Pro's processor is indeed upgradeable, successfully replacing the default Intel E5–1650 V2 6-core 3.50Ghz processor with an Intel E5–2667 V2 8-core 3.30GHz processor with 25MB of L3 cache, an option not offered by Apple. The upgraded processor gave OWC's machine a 30 percent multi-processor performance boost, outperforming Apple's standard 8-core option with a Geekbench
