4GB KIT 2x 2GB For Dell Optiplex 160 210L 330 360 740 745c 755 DT / MT / SFF 760 DT / MT / SFF 760 Series (Desktop Mini Tower and Small Form Factor) 760 DIMM DDR2 NON-ECC PC2-6400 800MHz RAM Memory 4GB KIT (2 x 2GB) DIMM DDR2 NON-ECC PC2-6400 800MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Dell Optiplex. (See Compatibility List Below)