4GB KIT 2 x 2GB Gateway ID Notebook ID49C ID49C04u ID49C07u ID49C08u ID49C11u ID49C12u ID49C13u ID49C14u ID54 ID57H03u ID58 ID5804a ID59C03u ID59C04u ID79C SO-DIMM DDR3 PC3-10600 1333MHz RAM Memory 2GB STICK 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 HP-Compaq Pro Desktop Series. (See Compatibility List Below)