4GB KIT (2 x 2GB) For eMachines Series D640 D730 E442 E527 E528 E727 E730. SO-DIMM DDR3 NON-ECC PC3-8500 1066MHz RAM Memory. Genuine A-Tech Brand.<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>4GB KIT (2 x 2GB) SO-DIMM DDR3 NON-ECC PC3-8500 1066MHz RAM Memory</li><li>Genuine A-Tech Memory</li><li>Lifetime Warranty</li><li>Toll Free Technical Support 1-866-557-4527</li><li>Designed For eMachines eMachines Series. (See Compatibility List Below)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51PzGgOSgVL.jpg" noproxy>