AMD Phenom II N660 3 GHz Processor - Socket S1 PGA-638. PHENOM II N660 MOBILE S1 3.0G 2MB 45NM 35W 1800 MHZ TRAY AMDMOB. Dual-core (2 Core) AMD Phenom II N660 3 GHz Processor - Socket S1 PGA-638. PHENOM II N660 MOBILE S1 3.0G 2MB 45NM 35W 1800 MHZ TRAY AMDMOB. Dual-core (2 Core)