A-Tech 8GB KIT 2 x 4GB Acer Aspire 5253-BZ684 5253-BZ819 5253-BZ873 5253-BZ893 5253G 5333 5349 5349-2418 5349-2635 5349-2899 5552 5552-3452 5552-3691 SO-DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory 8GB KIT (2 x 4GB) SO-DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Acer Aspire Series. (See Compatibility List Below)