Search query: 4k gaming monitor

Product: Dell S-Series 27-Inch Screen LED-Lit Gaming Monitor (S2719DGF); QHD (2560 x 1440) up to 155 Hz; 16:9; 1ms Response time; HDMI 2.0; DP 1.2; USB; FreeSync; LED; Height Adjust, Tilt, Swivel & Pivot Experience sharp, tear free graphics with a swift refresh rated to 155 hertz (overclocked) and AMD free sync for super smooth visuals
Get blazing fast and responsive gameplay with minimum input lag at an extremely rapid 1ms response time. Pixel Pitch:0.2331 mm
Enjoy vivid edge to edge game play and crisp QHD resolution. You'll get lost in the 3.68 million pixels almost two times more than full HD
Brightness: 350 candela per square metre
Note: The 27' measurement of a TV monitor is measured diagonally. Dell Black

Product: Alienware 25 Gaming Monitor - AW2518Hf, Full HD @ Native 240 Hz, 16: 9, 1ms response time, DP, HDMI 2.0A, USB 3.0, AMD Freesync, Tilt, Swivel, Height-Adjustable Designed for the enthusiast, the AW2518HF delivers a futuristic style and precise form with solid stability
Lightning-fast 240Hz native refresh rate combined with 1ms response time delivers buttery-smooth gameplay with virtually no input lag
Compatibility- All Operating System. AMD Free Sync eliminates choppy gameplay and broken frames with fluid, artifact-free performance at virtually any framerate
Specific gaming OSD (onscreen display) design keeps your user experience in the gaming theme. Brightness : 400 nits. Voltage Required AC 120/230 V (50/60 Hertz)
Game comfortably in your zone with a height adjustable stand, tilt, swivel and pivot features. Refer to the PDF attached below in Technical Specification for Installation manual Alienware Freesync (for AMD cards)

Product: ASUS VP28UQG 28" 4K/UHD 3840x2160 1ms DP HDMI Adaptive Sync/FreeSync Eye Care Monitor 28 inches 4K/UHD (3840 x 2160) with 1ms response time and Adaptive Sync/AMD Free Sync for immersive, crisp visuals featuring Display Port and dual HDMI connectivity; Viewing Angle (CR≧10) : 170°(H)/160°(V). HDCP : Yes
ASUS Eye Care technology lowers blue light and eliminates flickering to reduce eyestrain and ailments. Display colors is 1073.7 M 10 bit and maximum contrast ratio is 1000 : 1. It can allow a Adaptive Sync/Free Sync supported graphics source to dynamically adjust display refresh rate based on typical content frame rates for power efficient, virtually stutter free and low latency display update
5 Way OSD joystick delivers intuitive monitor controls so you can access features such as ASUS Game Plus on the fly. Digital signal frequency for display port is 120 to 120 KiloHertz horizontal, 40 to 60 Hertz vertical. Hdmi signal frequency is 24 to 99 KiloHertz horizontal, 40 to 60 Hertz vertical
Compliance and Standards EAC logo, Energy Star, BSMI, CB, CCC, CE, CEL level 1, FCC, PSB, PSE, RoHS, TCO7.0, UL/cUL, VCCI, WEEE, WHQL (Windows 10, Windows 8, Windows 7), RCM, TUV Flicker free , TUV Low Blue Light
Exclusive Game Plus and Game Visual settings enhance color performance and control. ASUS Rapid Replacement 3 years warranty service. Tilt : -5 degree Plus-20 degree. Brightness(Max) : 300 cd ASUS Black