Linksys EA6400

Wikidevi Notes
"48SAB403.SGD[G]" and the Cisco logo is silkscreened on the board in the FCC photos.

This device appears to be using BCM4708A0 (BCM4708A0KFEBG). The Flash is presumed to be a Spansion S34ML01G100TFI00.

Announced in this press release made 01/07/2013
 * Via engadget

Cisco adds three more routers to its 802.11ac portfolio - On CNET
 * One USB 3.0 port

Links of Interest

 * http://www.dd-wrt.com/phpBB2/viewtopic.php?t=172389

Pictures
Linksys Images FCCID