A-TECH 2GB STICK For Acer Aspire M5700 AM5700-xxxxxxx M5711 M5802 M7200 M7711 SA90 (G31T-M5) X1200 AX1200-xxxxxxx X1300 AX1300-xxx. DIMM DDR2 NON-ECC PC2-6400 800MHz RAM Memory. Genuine Brand. 2GB STICK DIMM DDR2 NON-ECC PC2-6400 800MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Acer Aspire. (See Compatibility List Below)