With an advanced 16 ghz dual core cpu and an impressive 512mb of ram the wrt1900acs delivers improvements in wired wireless and network storage performance over its predecessor the wrt1900ac at speeds up to n600 ac1300 mbps the wrt1900acs meets the needs of the most demanding home wi fi networks equipped with a four antenna configuration the router provides exceptional signal strength and range advanced users also have the option of modifying the router with open source firmware