Will the Intel DH67CL motherboard support Matrix RAID
Yes, it will. Here is excerp from board's TPS:
Remember that this board supports two 6GB/s SATA III interfaces (the blue ones) and four 3GB/s SATA II interfaces (the black ones). Performance of RAID arrays will differ depending upon which ports are utilized...
For more complete information about compiler optimizations, see our Optimization Notice.