2GB STICK For Acer Aspire X Series X1420-UR10P X1430G X3-100 X 3470 XC100 XC600. DIMM DDR3 NON-ECC PC3-12800 1600MHz RAM Memory. Genuine A-Tech Brand. 2GB STICK DIMM DDR3 NON-ECC PC3-12800 1600MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Acer Aspire X Series. (See Compatibility List Below)