Athlon 64 LE-1620 AM2 2.4GHZ 1MB 90NM 45W 2000MHZ Pib 2.4 GHz processor 1MB L2 Cache Socket AM2 Advances like AMD's Cool'n'Quiet technology result in reduced power usage, lower energy costs, and greener PC operation. AMD Digital Media XPress provides support for SSE, SSE2, SSE3, 3DNOW! and MMX instructions