Amzfast 27" 4K Gaming Monitor, UHD 160Hz/FHD 320Hz Dual Mode, Fast IPS

Switching between expansive cinematic worlds and fast-paced competitive shooters usually forces players to choose between resolution and frame rate, but this 27-inch gaming monitor solves that dilemma by packing two distinct operational modes into a single display. You can run in 4K at 160Hz when you want deep visual fidelity for adventure titles, or drop to FHD at 320Hz with a single click when frame rates matter most in competitive first-person shooters. Switching does not require restarting your system, making it easy to jump between different genres on the fly.

When set to 4K mode, visual quality is backed by a Fast IPS panel featuring 126% sRGB and 93% DCI-P3 color gamut coverage, HDR400 support, 10-bit color, and 400 nits of brightness. Story-driven open worlds benefit from rich color depth and clear fine detail. AI Picture Quality works in the background to tailor contrast and sharpness depending on the on-screen scene, helping characters stand out clearly against complex backgrounds.

For competitive play, shifting to the FHD 320Hz setting prioritizes fluid motion and quick response. A 1ms MPRT rating pairs with Adaptive Sync to cut out screen tearing and display lag during fast camera pans. Built-in gaming assistance tools such as Night Vision reveal targets in dark corners, while the AI Crosshair and Sniper Scope overlay extra visual aids to assist with long-distance targeting.

Connectivity and ergonomic support are well covered. With two HDMI 2.1 ports and two DisplayPort 1.4 connections, you can keep a PC alongside a PS5 or Xbox connected at their maximum refresh rates simultaneously. Multitasking features like PIP (picture-in-picture) and PBP (picture-by-picture) let you display feeds from two sources at once, while the included stand adjusts for height, swivel, tilt, and full rotation to suit your preferred posture.

One inherent trade-off is the drop in clarity when switching to high-speed mode. Dropping down to 1080p across a 27-inch panel creates a noticeably softer image compared to native 4K, which some players may notice outside of fast-moving matches. Additionally, HDR400 and 400 nits deliver a baseline entry into high dynamic range rather than intense specular highlights.

Verdict: This versatile gaming monitor is an outstanding match for players who split their time evenly between graphics-heavy AAA games and hyper-fast competitive shooters. Those who only care about consistent maximum visual resolution or ultra-bright HDR mastering may prefer a dedicated, single-purpose screen instead.

• Screen Size: 27 inches
• Panel Type: Fast IPS
• Resolution & Refresh (Mode 1): 4K UHD (3840x2160) at 160Hz
• Resolution & Refresh (Mode 2): FHD (1920x1080) at 320Hz
• Response Time: 1ms MPRT
• Brightness: 400 nits
• HDR Rating: HDR400
• Color Gamut: 126% sRGB, 93% DCI-P3
• Color Depth: 10-bit
• Video Ports: 2x HDMI 2.1, 2x DisplayPort 1.4
• VESA Mount: 100x100 mm
• Stand Adjustments: Height, swivel, tilt, rotate
• Audio: Built-in speakers

A great fit if you:

• Play both immersive story-driven games requiring sharp detail and fast-paced multiplayer shooters requiring ultra-high refresh rates.
• Own multiple modern systems like a gaming PC, PS5, or Xbox and want full refresh rate support across four dedicated ports.
• Need a versatile desk setup with full stand adjustments including vertical rotation and the option to view two sources side by side.
• Appreciate built-in visual assistance like crosshairs, sniper scopes, and shadow brightening for multiplayer titles.

Consider something else if you:

• Play exclusively competitive shooters and prefer a smaller dedicated 1080p display without paying for 4K capabilities.
• Focus entirely on cinematic gaming and never want to drop down to FHD resolution for higher frame rates.
• Require very bright HDR performance beyond entry-level 400-nit ratings for dedicated media mastering.

Confirm on the listing:

• Check which specific display cables are included in the package so you know if your preferred connection type is covered.
• Measure your desk space to ensure a 27-inch screen with an adjustable stand fits comfortably at your viewing distance.
• Check whether your PC graphics card or game console supports HDMI 2.1 or DisplayPort 1.4 to achieve the full refresh rates.
• Verify if your aftermarket monitor arm matches the VESA 100x100 pattern if you plan to mount it instead of using the included stand.

How to compare your options: When shopping for high-refresh displays, the main deciding points are resolution flexibility, panel responsiveness, and port bandwidth. This unit stands out by offering both 4K at 160Hz and 1080p at 320Hz on a single Fast IPS panel, paired with four modern video inputs and ergonomic adjustability, making it significantly more adaptable than displays locked to a single resolution.

To get started, attach the included stand to take full advantage of height, tilt, swivel, and rotation adjustments, or mount the display to a compatible 100x100 VESA arm. If your workspace has bright overhead lights or windows, reposition the screen angle to reduce reflections on the panel surface.

Use the provided cables to connect your PC or console directly to the HDMI 2.1 or DisplayPort 1.4 inputs. Ensure your operating system and graphics control panel are configured to output the intended refresh rate, whether you choose the 160Hz 4K mode or the 320Hz FHD mode.

Take advantage of PIP and PBP settings when juggling work tasks, streams, or two separate devices at once. For eye comfort during marathon gaming or reading sessions, enable the AI dynamic blue light and flicker-free backlight settings, and wipe the exterior housing gently according to included product instructions.

Does switching between 4K and FHD mode require restarting the monitor or PC?
No, you can switch between 4K 160Hz and FHD 320Hz with a single click without restarting your computer or the display.

Can I mount this monitor to a monitor arm?
Yes, it supports standard VESA 100x100 mounting patterns if you prefer using an arm over the included stand.

Does this display have built-in audio?
Yes, it includes built-in speakers so you can hear system audio and games without needing external desktop speakers.

Will modern consoles work at their maximum refresh rates on this display?
Yes, the two HDMI 2.1 ports support max refresh rates for consoles like the PS5 and Xbox as well as modern graphics cards.

Can I view two devices on the screen at the same time?
Yes, the built-in PIP (picture-in-picture) and PBP (picture-by-picture) modes allow you to run two connected devices side by side.