Comtrend PG-9172AC

Overview
"50XX14-473" is silkscreened on the board in the FCC photos.

There appears to be an internal GbE connection between the two CPUs handled by the Marvell 88E1510 and a second Atheros AR8035-A chip.

News Release: G.hn Silicon to Power Connectivity on Marvell
 * Marvell 88LX3142, MAC/BBP G.hn;
 * Marvell 88LX2718/88LX2720, AFE G.hn;
 * Marvell 88E1510/88E1512, Gigabit PHY;

Pictures
Retail Images