16GB KIT 2x 8GB For Dell Optiplex 790 790 MT/DT/SFF 790 USFF 9010 (Desktop) 9010 (Mini Tower) 9010 (Small Form Factor) 9010 (Ultra Small Form Factor) DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory 16GB KIT (2 x 8GB) 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 Optiplex. (See Compatibility List Below)