Questions about Montech Xr

According to research, no separate RGB controller is supplied.

The standard fans in the Montech XR case are not explicitly described in the information provided. However, it is mentioned that it has a rear panel with a pre-installed 120 mm PWM ARGB fan, which indicates that the fans have PWM and ARGB connections. These connection types allow the fan speed and lighting to be controlled via corresponding headers on the motherboard.

Yes, you can install a water cooling system in the case. The housing supports radiators in the sizes 120, 140, 240 and 360 mm on the top.