Lenovo 00YE893, Lenovo System x3550 M5, Number of Cores 6-core / 6 threads, Cache 15 MB, Clock Speed 1.7 GHz, Thermal Design Power 85 W, PCI Express Revision 3.0, PCI Express Configurations X16, x4, x8. Intel Xeon processors represent a broad product line to meet a range of demanding performance and energy efficiency requirements for compute-intensive embedded, storage, and communications applications.