Not that I've heard of. The 2 X SATA 6GB/s on 1155 h67/p67/z68 motherboards is native to the chipset. To get more would require the manufacturer to put a separate controller chip on the motherboard, which they probably aren't very excited to do given the limited space/cost.
That said, I've seen some H61 mitx motherboards with two 6 GB/s SATA ports available (and it's not native to that chipset), so the manufacturers did add a separate controller chip on those. So it was enough of a selling point for them to include it on those boards. Just get the feeling that most don't want to have more than 2 of them in a mitx system.
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