Intel-IMSourcing Intel Xeon E5-2403 Quad-core (4 Core) 1.80 GHz Processor - Retail Pack - 10 MB Cache - 32 nm - Socket B2 LGA-1356 - 80 W - 3 Year WarrantyProcessor Manufacturer: IntelProcessor Core: Quad-core (4 Core)Clock Speed: 1.80 GHzL2 Cache: 1 MBL3 Cache: 10 MB64-bit Processing: YesProcess Technology: 32 nmProcessor Socket: Socket B2 LGA-1356Thermal Design Power: 80 WEnvironmentally Friendly: YesEnvironmental Certification: RoHSLimited Warranty: 3 Year