BenQ XL2720Z Gaming Monitor Size 27 inches Resolution ‎Full HD 1920×1080 Refresh Rate 144Hz Response Time 1ms Supports NVIDIA 3D Vision The monitor is very clean and has not been opened or serviced. Comes with the original stand and S-Switch controller. Excellent for games like CoD and competitive games. Price: 800 May God grant us what is good, and I will not disappoint the serious buyer.