Hello
OCP,
I was just having a look at some reviews of the Antec-Case and in my opinion, the Zipang should fit. There was a problem with Kama Cross and Mugen, both are about 3-5cm higher than the Zipang.
If you mean the Corsair Dominators with your question regarding the RAM, please have a look at the attached picture. Yes, it fits.
Cheers,
Stefan