XEON P E5645 12M 2.40 GHZ 5.86 GT/S QPI LGA10 MM#909765Intel Xeon DP 5600 E5645 Hexa core (6 Core) 2. 40 GHz Processor 12 MB L3 Cache 1. 50 MB L2 Cache 384 KB L1 Cache 64 bit Processing 2. 67 GHz Overclocking Speed 32 nm Socket B LGA 1366 80 W VPN: BX80614E5645 SKU: RSC240088 UPC: 5032037011501 12 MB of L3 cache rapidly retrieves the most used data available to improve system performance Built on 32 nm technology and uses a high k metal gate to enable higher performing transistors on the same node