4GB 2X2GB RAM Memory for Acer Mate TravelMate 8200 Series Black Diamond Memory Module DDR2 SO-DIMM 200pin PC2-5300 667MHz Upgrade System Specific Memory - Newegg.com
4GB RAM Memory for Acer TravelMate 5744-6467 Black Diamond Memory Module DDR3 SO-DIMM 204pin PC3-8500 1066MHz Upgrade System Specific Memory - Newegg.com