2GB KIT 2x 1GB Acer Aspire X X1200 X1200-BE5000A X1300 X1301 X1301-U9032 X1700 X1800 X1800G X3100 X3200 X3200-ED5600A X381 X5812 DIMM DDR2 NON-ECC PC2-6400 800MHz RAM Memory Genuine A-Tech Brand 2GB KIT (2 x 1GB) 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 X Series. (See Compatibility List Below)