16GB KIT (4 x 4GB) For Dell Optiplex Series 7010 (Mini-Tower) 7010 (Small Form Factor) 9010 (Mini Tower) 9010 (Small Form Factor) 9020 (Desktop) 9020 (Mini Tower) 9020 (Small Form Factor). 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 Dell Optiplex Series. (See Compatibility List Below)