Lot of 4 i5 2nd Gen CPU'S - 2400S/2400S/2400/2500S.
I5-2500: SR00T 3.30GHZ
I5-2400: SR00Q 3.10GHZ
I5-2400S: SR00S 2.50GHZ
I5-2500S: SR009 2.70GHZ