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AOC

AOC Q27G4ZD 27" QD OLED Gaming Monitor, QHD 2560 x 1440, 240Hz 0.03ms, HDMI 2.0 x2, Display Port x2, G-Sync Compatible, Console Gaming Ready, 3-Year Zero-Bright-Dot

  • Based on 975 reviews
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Availability: Only 10 left in stock, order soon!
Fulfilled by Amazon
Arrives Wednesday, Mar 25
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Size: 27 Inch


Style: QHD|240Hz|QD-OLED|Gaming


Features

  • UNBEATABLE SPEED: 240Hz refresh rate, 0.03ms GTG response time unleash unprecedented fluidity to help you dominate the playing field and speed into victory
  • STATE-OF-THE-ART OLED PANEL: The self-luminous OLED panel makes everything you love on screen come alive with genuine blacks, extreme color accuracy, and over 1.07 billion colors
  • ULTRA-HIGH CLARITY: 27 inch AOC gaming monitor with 2K Quad HD 2560x1440 resolution OLED panel for excellent visuals and superb colors
  • OUTSTANDING VISUALS: HDR10 produces rich details, diverse contrast, and wide color gamut (110.2 percent DCI-P3, 147.6 percent sRGB) for full immersion. It also further synchronizes your GPU or console with your monitor, resulting in unparalleled smoothness of action
  • BETTER CONSOLE GAMING: AGON by AOC gaming monitors are designed to maximize the performance of your consoles by unleashing up to 120Hz frame rate (exact performance depends on consoles) and ultra low latency, giving you an edge over your opponents

Description

Get into the world of E-Sports and become the next legend with the AOC Q27G4ZD 27-inch class OLED gaming monitor, equipped with all the features you need to claim victory as the next legend. Its QHD 2560x1440 resolution, OLED display panel offers superb picture quality and sharp imagery to show even the finest details. Experience unbeatable speed with its hyper-responsive 240Hz refresh rate and blazing-fast 0.03ms (GTG) response time ensure unparalleled smoothness and fluidity to your games, eliminating ghosting and motion-blur. With G-Sync, you’ll get the most fluid, tear-free gaming experience at its highest performance no matter what GPU you use. This ensures that you’ll always get a high refresh rate, as well as low framerate compensation, for the most smooth gaming possible. With the latest HDR10 technology, colors are more accurate than ever before with greater depth, nuance, and vibrancy. The cutting-edge OLED display also adds impressive luminescence, superior contrast, and dynamic color range for a more immersive experience (110.2% DCI-P3, 147.6% sRGB). The convenient, all-in-one software AOC G-MENU lets you customize your AOC monitor’s performance, create custom gaming profiles for quick switching, adjust RGB brightness, change Light FX, and more.

Brand: AOC


Screen Size: 27 Inches


Resolution: QHD Ultra Wide 1440p


Aspect Ratio: 169


Screen Surface Description: Glossy


Standing screen display size: ‎27 Inches


Screen Resolution: ‎2560x1440


Max Screen Resolution: ‎2560 x 1440 Pixels


Brand: ‎AOC


Series: ‎Q27G4ZD


Item model number: ‎Q27G4ZD


Item Weight: ‎14.52 pounds


Product Dimensions: ‎9.45 x 23.99 x 21.17 inches


Item Dimensions LxWxH: ‎9.45 x 23.99 x 21.17 inches


Color: ‎Black


Manufacturer: ‎AOC


Date First Available: ‎December 18, 2024


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Mar 25

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Similar Products

Top Amazon Reviews

    • Beautiful QD-Oled!
Size: 27 Inch Style: QHD|240Hz|QD-OLED|Gaming
Review Image by William William
Review Image by William William
The media could not be loaded. This is a truly beautiful monitor. It's my first OLED monitor, and the difference between this and my old VA monitor is astounding. My phone camera doesn't do the screen justice unfortunately, but the color accuracy difference is fantastic in person. I personally use this in the DCI-P3 color mode as it's much more accurate than the SRGB mode, SRGB is better for web browsing though and easier on your eyes. The HDR mode is honestly not that good, and makes the colors looked washed out, and honestly just way better without it since I prefer color accuracy over HDR contrast. It's my first time using HDR though so possibly I didn't set it up correctly, or Windows is just bad for HDR which I've heard, I also followed tutorials on YouTube so I believe I did everything right. Pros - • Amazing visuals, color accuracy, and text clarity • Great refresh rate at 240hz, I think it's actually 280hz on my end, but it's advertised as 240? Not sure, but not much of a difference either way between the two • Easy to set up, and looks great out of the box • Easy to adjust height and rotate, great feature I wish more monitors had • 3 year warranty including burn-in, hopefully I'll never need to use it but good to have • Glossy screen makes the colors pop, love it, but also reflects light and may be annoying for some • No VRR Flicker, I watched a lot of videos on OLED VRR Flicker before buying and I'm happy to say I haven't noticed any at all since I've bought this. I made sure to change certain settings in the monitor and Nvidia panel to get the frame rate as consistent as possible to avoid this. And I haven't noticed any before or after the changes, so I'm happy • VESA mount compatible Cons - • Terrible V stand, the "Gamer V-Shape" stand is an annoying trend and is rather large / long. This is a personal preference, the stand itself is fine I just don't like these kinds of stands, which I could change it. • QD screen purple reflection hue. Now, this personally doesn't bother me, and I don't really even notice it in game unless I'm in a pitch black area and I have room lights on behind me, other than that I never notice it unless the screen is off. But, this might be annoying to some but really isn't bad. • The "Pixel Refresh" reminder pops up seemingly in random intervals? It's supposed to show up every 4 hours of use, but I play for an hour or two, turn off the screen, come back to it the next day or a few hours later, play another hour or so and it pops up. I thought it was every 4 consecutive hours of one-time it would remind you, but maybe it's just every 4 hours the screen is on all together. • No Speakers. This might be a deal breaker for some, but I have my own desk speakers and headphones I use so it doesn't bother me Overall/ TLDR - This is a fantastic QD-OLED 2k monitor that beats the average market price and doesn't skimp out on many features. If you're on the cusp of switching from IPS / VA panels to OLED and can't make up your mind, like me, this is a fantastic budget option which I highly doubt you'll regret. It's a beautiful monitor with amazing colors and perfect for everything I'd want or need. ... show more
Reviewed in the United States on December 19, 2025 by William William
    • Came broken
Size: 27 Inch Style: QHD|240Hz|QD-OLED|Gaming
Review Image by Caroline Caroline
Colors are nice and screen is smooth, but text is a bit hard to read. The main problem is I waited over a month for this monitor and it came out of the box broken. Big black dead circle in the corner. The packaging was a bit crushed in that corner so maybe that’s why. Amazon won’t replace, only refund and it’s unavailable now. Extremely disappointed Update: Bought another one, used condition from Amazon warehouse. Received another dud that won't even turn on. The LED indicator flashes orange, which apparently indicates "OLED screen malfunction." It's a good price, but seems like AOC cut too many corners on QC. Won't be buying again ... show more
Reviewed in the United States on March 5, 2025 by Caroline Caroline
    • Best Budget High-Refresh Monitor
Size: 27 Inch Style: QHD|240Hz|QD-OLED|Gaming
Easy to assemble and looks beautiful. The 200Hz refresh rate is a game-changer, and the colors really pop. The stand is standard with no adjustments, but that’s not a dealbreaker given the quality of the panel. I’m running my audio through external speakers, and the overall experience is fantastic. Highly recommended for anyone looking for a deal. ... show more
Reviewed in the United States on January 28, 2026 by Kevin
    • Awesome budget OLED
Size: 27 Inch Style: QHD|240Hz|QD-OLED|Gaming
Pros: QD OLED, image quality is 9/10 (as there are better OLED monitors, but compared to an IPS, its an 15/10), response time is exceptional, 10 times smoother than my previos LG 180 hz IPS. Cons: weird coil whine from the power supply, known issue in some forums. HDR has washed out colors but even without HDR the quality is fantastic. Recomended? Yes, without doubt. Would buy again? Yes. Gaming experience? 11/10 ... show more
Reviewed in the United States on February 20, 2026 by Jose Nerio
    • Good Monitor
Size: 27 Inch Style: QHD|240Hz|QD-OLED|Gaming
It had a bent prong when we got it and it caused the cord to fall out, but once we were able to straighten it out it worked great.
Reviewed in the United States on February 20, 2026 by Zero Kitchens
    • Nice quality for the price.
Size: 27 Inch Style: QHD|240Hz|QD-OLED|Gaming
Nice quality for the price. Easy to hook up.
Reviewed in the United States on March 8, 2026 by Michelle
    • Make sure you research the OLED pixel refresher before buying
Size: 27 Inch Style: QHD|240Hz|QD-OLED|Gaming
Review Image by Bradley Bradley
Review Image by Bradley Bradley
The screen is good, but less than a month I can see some spots as if the coating/cover glass seems to come loose. Added pictures (pics not too good, just as a reference). NOTE: this is NOT spit or anything on top of the screen, it CANNOT be wiped clean. I game in a dark room and this is not that obvious in a dark room, but as soon as the light shines on the screen, it become very clear. Apart from this, the 4 hourly reminder for pixel refresher, this seems to be all OLED screens. It becomes so annoying, I game and watch YT/Twitch etc, but when in a game and this pops up, so you basically have to stop playing to do a pixel refresher. If I knew this, I wouldn't have bought an OLED. I might just use this screen as my 2nd screen and use my older AOC CQ27G2 as my main screen again, which is a waste for an OLED, but at least I won't be stopped every 4 hours the screen is on to do a pixel refresher, which puts the screen off for about 10 minutes. I only use AOC screens for gaming, never had issues with them. The spots is a bit of a disappointment. ... show more
Reviewed in the United States on December 12, 2025 by Bradley Bradley
    • Terrible! Do not buy
Size: 27 Inch Style: QHD|240Hz|QD-OLED|Gaming
Review Image by Brad and Danielle Herbert Brad and Danielle Herbert
Monitor came today. Two edges of the screen are chipped. Tried turning it on, screen just flashes black every 10 seconds or so. Awful experience
Reviewed in the United States on January 18, 2026 by Brad and Danielle Herbert Brad and Danielle Herbert

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