Intel Core i5-2400 3.1 GHz Upto 3.4 GHz LGA 1... Intel Core i5-2400 3.1 GHz Upto 3.4 GHz LGA 1155 Socket 4 Cores 4 Threads 6 MB Smart Cache Desktop Processor (Silver) 3.1 GHz LGA 1155 Socket 4 Cores