4GB KIT (2 x 2GB) For Dell Latitude Series 5400 5500 6400 6500 ATG E6400 D830 E5400 E5500 E6400 E6400 ATG E6400 XFR E6500. SO-DIMM DDR2 NON-ECC PC2-6400 800MHz 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 DDR2 NON-ECC PC2-6400 800MHz 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 Dell Latitude Series. (See Compatibility List Below)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/61KqMFyq8tL.jpg" noproxy>