OCZ OCZ2G8004GK DDR2 800MHz 4 GB (2 x 2 GB) Gold Edition Kit Model - OCZ2G8004GK Capacity - 4GB (2x2048) Dual Channel Memory Technology - DDR2 Form Factor - 240-Pin SODIMM Timing - CL 5-5-5-18 (CAS-TRCD-TRP-TRAS)