Nehalem-based Xeon "[edit]3400-series "Lynnfield" Main article: Lynnfield (microprocessor) List: List of Intel Xeon microprocessors#"Lynnfield" (45 nm) Xeon 3400-series processors based on Lynnfield fill the gap between the previous 3300-series "Yorkfield" processors and the newer 3500-series "Bloomfield". Like Bloomfield, they are quad-core single-package processors based on the Nehalem microarchitecture, but were introduced almost a year later, in September 2009....