You won’t experience any lag with the BenQ PD2720U 27″ 4K Thunderbolt 3 Display. Well, you’ll experience about five milliseconds of delay, but that’s hardly noticeable to the human eye. Additionally, this 4K monitor offers a refresh rate of 60 Hz. With all this power, it’s great that this Thunderbolt 3 monitor considers your eye health with its ZeroFlicker and Low Blue Light Mode. So if you’re stuck working late on a design project, this 4K UHD display helps prevent unnecessary eye strain. Plus, this display uses advanced IPS technology, meaning all your projects will look accurate even at a wide angle. And perhaps one of the best features is its Thunderbolt 3 connection, which allows you to use two 4K monitors at once. Got a huge architectural design? No problem with this screen.