This is a Tomahawk MoFu. Each of the eight linecards has two Tomahawks. SERDES are splif 50:50
between front panel ports and internal connections to the switch fabrics. The switch fabric is
comprised of cards with one Tomahawk ASIC. Each fabric card has 4 x 100G to each of the line card
Not clear that it is possible to actually buy one of these, but the instructions
are available if you want to
make your own. This slide deck for version 3 is from November 2016.