Yes, it might. The manual, »
www.westell.com/docs/sup ··· 6_ug.pdf, shows it is only compliant up to 8Mbps down using ADSL1 on page 155. It says it can be upgraded to ADSL2 and ADSL2+. By whom or how, I have no idea. You can either try and upgrade the 327W or replace it with a new better gateway or modem and WiFi router. I would get the Motorola DSL Modem Model 3360, »
www.att.com/equipment/ac ··· q_model=, and add the WiFi router of your choice. I have had good luck with the VIZIO Dual-Band HD Wireless Internet Router Model#: XWR100 »
www.walmart.com/ip/VIZIO ··· 15084467 and the Linksys E4200 Maximum Performance Dual-Band Router »
www.walmart.com/ip/Linky ··· 16609284. If the modem stops working, you do not loose your home network at the same time, like you do with a gateway. If the WiFi router stops working, you do not loose your internet connection at the same time, like you do with a gateway.
If you still want a gateway, the Motorola WiFi Business Router Model 3347, »
www.att.com/equipment/ac ··· q_model=, has a reputation for being long lasting. It is compatible with AT&T residential DSL. Setting it up may involve more keystrokes and mouse clicks than newer devices. It seems you are paying for rugged hardware, not super easy set up.