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Xeon 5500 series, code-named Nehalem-EP, and on the desktop Core i7 homology. Supporting QPI bus, HT, Turbo Boost Dynamic Accelertion, Integrated Power Gate power manaement, a new generation of virtualization HT, three-channel DDR3 memory technology.

The series processors have W, X, E, L the five sub-categories, except of the most low-end dual-core E5502 are both outside the four core models, integated 731 million transstors, 1.86-3.20GHz frequncy range. QPI bus frequency 4.8/5.86/6.4GT/s, three-level cache 4/8MB, thermal design power 60/80/95/130W, support for DDR3 memory while the low frequency of 800MHz, the high-1333MHz. The maximum capacity of 144GB (18 × 8GB) or 192GB (12 × 16GB).


Intel claims, Xeon 5500 series, compared to the previous generation perormance Penryn Xeon 5400 series iprove 125%, enhnce the bandwidh up to 250%. In addition, Xeon 5500 Seres Intelligent Power Suported Power Management technology, with up to 15 automatic status. Can be based on real-time system automaically adjusts the otput power load without sacrificing high-performance, low standby power consumption at the same tie is only 10W, lower than the previous generations of the Xeon 5400 as many as 50 pecent. In addiion, the series L5520/L5506 two models are energy-saving thermal design power is only 60W.