 "Kingston - DDR2 2 GB SO-DIMM 200-pin" " Kingston 200-pin KTH-ZD8000C6/2G System Memory (RAM) CDW.com
"This Kingston product has been developed using industry leading quality processes, ensuring superior quality, performance, and 100% compatibility with the device the module is designed for." 
 "Crucial 4GB PC3-12800 204-pin DDR3 SDRAM SODIMM"@en SODIMM (CT51264BF160B)"@en