Yes, almost every third-party Wi-Fi router will work with Optimum. This is because it will be connected to a compatible Optimum modem. However, as you are choosing the router, ensure that it is compatible with the ISP speed plan that you have subscribed to and also with your devices such as modems and home devices. Finally, even though almost every router is compatible with Optimum, you need to pick one that meets your needs and specifications as guided by the buyer's guide above.