Visonicom VAC1203R

Overview

 * • 867Mbps - 2SS 5GHz 802.11ac (80MHz chan.),
 * • 300Mbps - 2SS 2.4GHz 802.11n (40MHz chan.) = 1200 Mbps class

The product page says "64MB or 128MB 16-bit DDR2 SDRAM"