Starting from August 31, 2020 to September 30, 2020, you can upgrade standard NAT gateways to enhanced NAT gateways free of charge.

Features of enhanced NAT gateways

Enhanced NAT gateways support all features of standard NAT gateways. Compared with standard NAT gateways, enhanced NAT gateways use an upgraded technical architecture and are provided with higher performance, higher elasticity, flexible billing, and rich metrics. For more information, see Release notes for Enhanced NAT Gateway.
Note We recommend that you upgrade standard NAT gateways to enhanced NAT gateways. This way, you can better manage network traffic sent over the Internet.
Features of enhanced NAT gateways

Upgrade

Before you upgrade standard NAT gateways to enhanced NAT gateways, pay attention to the upgrade considerations in the following figure.
Note Only selected users in the following regions can upgrade standard NAT gateways to enhanced NAT gateways: China (Chengdu), China (Qingdao), UK (London), Germany (Frankfurt), Malaysia (Kuala Lumpur), and India (Mumbai). If you need to upgrade your NAT gateways, submit a ticket.
Upgrade considerations

For more information about how to upgrade to enhanced NAT gateways, see Upgrade a standard NAT gateway to an enhanced NAT gateway.