Wintec Value MHz 2GB SODIMM Retail 2Rx8 Upgrade Kit 2 Dual Channel Kit DDR2 667 (PC2 5300) 200-Pin SO-DIMM 3VT6675S9-2GRU 2GB DDR2 667MHz PC2-5300 SO-DIMM memory module ESD wrist strap Screwdriver Pre-paid return envelope to recycle the old memory module Step-by-step instruction manual and links to DIY videos online