GIGABYTE M28U 28" 144Hz Gaming Monitor, 3840 x 2160 SS IPS Display, 1ms (GTG) Response Time, 94% DCI-P3, VESA Display HDR400, FreeSync Premium Pro, 1x Display Port 1.4, 2X HDMI 2.1 (M28U-SA)
Condition: Used - Very Good
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Style: 28" UHD 144Hz | IPS | Flat | Height & Tilt
Features
- 28 3840x2160 IPS Display with 144Hz Refresh Rate, 1ms (GTG) Response Time.Aspect Ratio: 16:9.Specific uses for product - Business
- Viewing Angle (L/R) (CR>=10) is 178/178; Brightness (typ.) is 300 cd/m2
- Smooth Gameplay with AMD FreeSync Premium Pro
- Studio Grade VESA Display HDR400 and 94% DCI-P3 (120% sRGB) Color Gamut
- GIGABYTE Classic Tactical Features with OSD Sidekick
Description
28” 3840x2160 IPS Display with 144Hz Refresh Rate, 1ms (GTG) Response Time Smooth Gameplay with AMD FreeSync Premium Pro Studio Grade VESA Display HDR400 and 94% DCI-P3 (120% sRGB) Color Gamut GIGABYTE Classic Tactical Features with OSD Sidekick GIGABYTE Auto-Update.
Brand: GIGABYTE
Screen Size: 28 Inches
Resolution: 4K UHD 2160p
Aspect Ratio: 169
Screen Surface Description: Matte
Standing screen display size: 28 Inches
Screen Resolution: 3840x2160
Max Screen Resolution: 3840 x 2160 Pixels
Number of USB 3.0 Ports: 3
Brand: GIGABYTE
Series: M28U-SA
Item model number: M28U-SA
Item Weight: 14.28 pounds
Product Dimensions: 7.62 x 24.23 x 20.38 inches
Item Dimensions LxWxH: 7.62 x 24.23 x 20.38 inches
Color: M Series
Voltage: 240 Volts
Manufacturer: GIGABYTE
Date First Available: May 10, 2021
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To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: 28" UHD 144Hz | IPS | Flat | Height &...
I have this monitor for about 10 months as I’m writing this, and so far the monitor has been fantastic. I was looking for a not so expensive 4k 144hz monitor and this one does the job. It has a decent enough size, I find 28 inches perfect for me. The monitor also feels and looks great. 4k resolution and 144 fps is amazing, and it was just what I was looking for. I haven’t encountered any issues so far either. The response time is fantastic too, and the monitor has lots of settings for you to adjust. It also has a hdmi 2.1 port which is perfect for my ps5 and a display port for my pc. Overall this monitor is amazing and you won’t regret buying it
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Reviewed in the United States on June 27, 2025 by John J.
Style: 28" UHD 144Hz | IPS | Flat | Height &...
great monitor, warranty period. picture. luckily I found the last new monitor on Amazon
Reviewed in the United States on December 15, 2025 by R. Mercer
Style: 28" UHD 144Hz | IPS | Flat | Height &...
Been using this monitor for years. It's great since I work at home and need to switch between setups. Unlike other built-in KVM monitors, the extra ports this model has is a necessity. That aspect alone has kept me from upgrading even with Gigabyte's other models. The Versa mount made it easy to set up. The quality of the image has never let me down. I use it for gaming and work every day.
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Reviewed in the United States on November 30, 2025 by mattcd42
Style: 28" UHD 144Hz | IPS | Flat | Height &...
This monitor is perfect for my Series X as it supports 4K 120hz. The color on this monitor is great. Also the customization is absolutely amazing. Flawless screen in my opinion, just one little thing that I personally don’t mind, but some people might not like - the screen will turn black for 2 seconds when switching from your game to the Home Screen on the Xbox Series X which is not fixable as I’ve read on the internet. Doesn’t bother me but I thought I’d point this out. Overall I’d 100% recommend this monitor, it’s very cheap for the quality you get!
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Reviewed in the United States on October 11, 2022 by Anas
Style: 28" UHD 144Hz | IPS | Flat | Height &...
This monitor was a great budget monitor at first. About a month after I bought it, it started randomly blacking out, and then returning a second later with the input name showing (e.g. HDMI2, DisplayPort). I've tried it with a pc laptop, a macbook, and a pc desktop across several different input ports. It seems to do them on all. Sometimes it will be fine for a while, but other times (and especially on certain apps) it'll do it constantly (like every 30 seconds). It is beyond annoying and totally useless for gaming. Customer service wants me to ship it back to them on my dime, but because the issue is intermittent, I'm worried they'll miss it and think the monitor is ok. I 100% regret buying this monitor and consider it a total loss.
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Reviewed in the United States on May 26, 2025 by T Brown
Style: 28" UHD 144Hz | IPS | Flat | Height &...
After years with my trusty LG 27UD68 (27", 4K60, IPS) since around 2018, I decided it was time for an upgrade. The old monitor had served me well, but years of use had left it with noticeable burn-in effects, with icons taking minutes to disappear from the taskbar area or desktop when entering full-screen applications. As a casual gamer primarily playing League of Legends and Roblox with my children, I was curious about the 144Hz refresh rate. While frame rate overlays confirm 144fps in Roblox (set in graphics settings), I personally struggle to perceive a significant difference across these games. More serious gamers may appreciate this feature more, but I wanted to offer my perspective as an older, casual user. The built-in KVM is undoubtedly the highlight of this monitor. It has streamlined my setup considerably, eliminating the need for a separate KVM switch and additional HDMI cables. The attached picture in the review showcases the dramatic cable reduction achieved by using the built-in KVM, a clear visual representation of the improved cable management. Now, a single USB-C connection to my MacBook Pro enables 4K144 display, keyboard/mouse control, and access to my external USB mic and webcam. I can effortlessly switch between devices: PC: For general use and gaming MacBook Pro: For work meetings, utilizing the camera and mic Samsung S23 Ultra: For DeX mode, with phone charging and full desktop functionality Switching between devices is as simple as pressing the KVM button on the back of the monitor. While the monitor excels in many areas, it's not without flaws: USB-C output is limited to 15W PD, insufficient for charging a MacBook under heavy use. Workaround: Use the Mac's charger for heavy use, or accept slower charging during idle times. HDR performance is subpar, with odd color tinting and low contrast. Workaround: Use the HDR calibration tool available in the Microsoft Store to improve performance slightly. Local dimming is limited to about 8 vertical zones, sometimes causing visible striping effects as bright objects pass across the screen. Despite these issues, at the current price of $330, this monitor offers exceptional value. The KVM feature alone justifies the purchase for users with multiple devices, though its utility may diminish in multi-monitor setups. Personally, I prefer a single monitor setup at home due to space constraints. While not perfect, this monitor represents a significant upgrade from my previous setup. The combination of 4K resolution, 144Hz refresh rate, and the invaluable KVM feature make it a compelling choice, especially at its current price point. For users juggling multiple devices or seeking a versatile display solution, this monitor is well worth considering. The drawbacks, while notable, are manageable given the monitor's strengths and competitive pricing.
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Reviewed in the United States on November 26, 2024 by P. F. Nguyen P. F. Nguyen
Style: 28" UHD 144Hz | IPS | Flat | Height &...
Very good quality. I was surprised at the difference going to 3180x2160 made in quality of images, text, and gaming. Monitors have been working fine for months.
Reviewed in the United States on June 25, 2025 by SteveB
Style: 28" UHD 144Hz | IPS | Flat | Height &...
Lo mejor
Reviewed in the United States on December 13, 2025 by EDUARDO