Intel Desktop Board 21 B6 E1 E2 Specification Link
Intel H61 Express Socket: LGA1155 Supported CPUs: Core i7-2600, i5-2400, i3-2100, Pentium G800/G600, Celeron G500 Max RAM: 16GB DDR3 1066/1333 MHz (2 DIMM slots) Form Factor: microATX (9.6” x 6.9”)
Typically supports DDR3 SDRAM with dual memory slots. intel desktop board 21 b6 e1 e2 specification link
Here are the full specs for the Intel DQ67OW Desktop Board: Intel H61 Express Socket: LGA1155 Supported CPUs: Core