Bought it for ~$150, and used for < 3 months. It is in a perfect condition.

Product description
Get even more of the FiOS Internet you love with the FiOS Quantum Gateway. See the difference our newest router can make. The FiOS QuantumTM Gateway, our smartest router yet, has a Wi-Fi reach that extends farther than our older routers. Now everyone in your family can do what they love without battling for bandwidth. || Boost your bandwidth. The FiOS Quantum Gateway uses dual-band technology for faster sharing and the best connection to the FiOS® network. Dual-band technology gives you two separate frequencies, allowing your family to perform both high and low bandwidth activities such as checking email and streaming movies simultaneously. More bandwidth means less congestion making for a more seamless Internet experience even when using multiple devices. ||