Dell Optiplex 780 SFF Small Form Factor Mother Main System Board 3NVJ6 This product is compatible with, but not limited to, the Dell Optiplex 780 Small Form Factor SFF Compatible Processors: Intel Core 2 Quad, Intel Core 2 Duo, Pentium Dual Core, Intel Celeron Chipset: Intel Q45 Express w/ICH10DO DDR3, 1066MHz/1333MHz RAM Maximum: 16GB