16GB KIT (4 x 4GB) For Gateway DX Series DX4370 DX4370G DX4370G-UW10 DX4370-UR10 DX4380 DX4380G DX4380G-UW308 DX4380-UR308 DX4380-UR318 DX4870-UB17 DX4885-UR21. DIMM DDR3 NON-ECC PC3-12800 1600MHz RAM Memory. Genuine A-Tech Brand. 16GB KIT (4 x 4GB) DIMM DDR3 NON-ECC PC3-12800 1600MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Gateway DX Series. (See Compatibility List Below)