8GB KIT (2 x 4GB) For Acer Aspire Series 5742-6413 5742-6439 5742-6440 5742-6461 5742-6475 5742-6494 5742-6638 5742-6674 5742-6678 5742-6682 5742-6696 5742-6814 5742-6831 5742-6838 5742-6860 5742G 5742Z 5745 5745-5453G32Mnks 5745DG-374G32Mnks 5745DG-3D (Intel Core i3/i5) 5745DG-3D (Intel Core i7) 5745G (2 Slots) 5745P-373G32Mnks 5745PG Touch (Intel Core i3/i5) 5745PG Touch (Intel Core i7). SO-DIMM DDR3 NON-ECC PC3-8500 1066MHz RAM Memory. Genuine A-Tech Brand. 8GB KIT (2 x 4GB) SO-DIMM DDR3 NON-ECC PC3-8500 1066MHz 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)