Apple Mac Pro 2.66GHz Quad Core Xeon W3520 Server CPU SLBEW 8M Cache, 4.80 GT/s

Intel Xeon W3520 2.66GHz Quad-Core (BX80601W3520) Processor

Intel Xeon X3450 2.66 GHz 8MB 4 Core SLBLD LGA1156 CPU Processor

Intel Xeon CPU Quad Core E5430 2.66Ghz/12MB/1333Mhz LGA771 SLBBK Processor ,WRNT

Intel Xeon Quad Core Processor CPU W3520 8MB Cache 2.66GHz SLBEW LGA1366

Intel Xeon Processor W3520 2.66GHz Quad Core CPU SLBEW

Intel SLANU Xeon E5430 2.66GHz/12M/1333 Socket 771 Quad-Core CPU Processor

Intel Xeon X3450 SLBLD Quad Core CPU Processor 2.66GHz 8MB Smart Cache LGA 1156