2GACSMM-X004Z-EF 2GACSMM-X005Z-EF 2GAR51-73-XEX1 2GAR54-73-XBS1 2GAR65-52-XUT1 2GB DDR2 667 FE-DIMM 2GB DDR2 800Mhz DIMM Hynlx 2GB SO-DIMM 2GB USB 2GB/HYB18T512400AF37