Intel 2.93GHz Xeon X5570 Quad Core 1333MHz 8MB L2 Cache Socket LGA1366 SLBF3 Intel Xeon X5570 SLBF3 2.93 GHz 8MB 6.4 GT/s Socket LGA1366 Quad-Core CPU Intel Xeon X5570 SLBF3 2.93 GHz 8MB 6.4 GT/s Socket LGA1366 Quad-Core CPU