Full Details from Amazon.com : http://www.amazon.com/gp/product/B00LPO2VW0?tag=onigi-20
4GB STICK For Dell Latitude 5420 5520 6430u E4310 E5410 E5420 E5420m E5510 E5520 E5520m E6220
4GB STICK 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 Dell Latitude See Compatibility List Below
