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LG 27GM950B-B 27-inch Ultragear evo 5K (5120 x 2880) IPS Mini-LED Gaming Monitor, 165Hz, 1ms, NVIDIA G-Sync, AMD FreeSync Premium, DisplayHDR1000, HDMI, DP, USB-C, Tilt/Height/Swivel/Pivot Stand

  • Based on 16 reviews
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Availability: In Stock.
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Arrives Friday, Aug 7
Order within 2 hours and 41 minutes
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Features

  • New firmware update available for improved performance, please review the Troubleshooting Guide below for more information
  • 1250 Nits Peak Brightness for Bold HDR Gaming - Powered by UltraGear evo's next-generation Hyper Mini LED technology, the display reaches up to 1250 nits peak brightness and meets VESA DisplayHDR 1000 standards. Bright highlights and strong contrast keep gaming visuals clear and impactful—even in bright indoor environments.
  • HDR1000 Delivers Explosive Highlights and Precise Shadow Detail - VESA Certified DisplayHDR 1000 brings games to life with brilliant highlights and deeper shadow detail. Explosions, energy effects, and bright environments appear vivid and sharply defined, while darker scenes maintain texture and clarity. With up to 99% DCI-P3 color, every scene displays rich, impeccable color.
  • Hyper Mini LED Powers Ultra-Bright 5K Gaming - UltraGear evo’s Hyper Mini LED powers ultra-bright 5K gaming. With 9,216 LEDs and 1.5× more local dimming zones, GM9 delivers brighter highlights, deeper contrast, and sharper detail. Zero optical distance engineering brings the backlight closer to the panel to reduce light bleed and help minimize blooming.
  • 5K Gaming with Uncompromising Detail - Experience incredible detail on a 27-inch 5K (5120×2880) display packed with over 14 million pixels. The ultra-high resolution reveals sharper textures, clearer UI elements, and richer environments—bringing every world, character, and visual effect into stunning focus.
  • AI Upscaling to 5K—No GPU Upgrade Required - UltraGear evo's built-in processor powers AI Upscaling2 that enhances content toward 5K resolution. Without requiring a GPU upgrade, AI Upscaling analyzes the source signal to improve detail and clarity—helping games and video look sharper from virtually any connected device.
  • High 218 PPI for Sharp, Detailed Visuals - With a high 218 PPI pixel density, in-game text, HUD elements, and fine visual details appear sharper and easier to read. This UltraGear evo also improves clarity for text-heavy tasks like document editing, web browsing, and coding.

Description

Powered by UltraGear evo’s next-generation Hyper Mini LED¹ technology, the GM9 (27GM950B-B) 27-inch 5K (5120×2880) gaming monitor delivers extraordinary clarity, brightness, and speed. With over 14 million pixels, VESA DisplayHDR 1000, and up to 1250 nits peak brightness, games appear vivid and detailed with brilliant highlights and deep contrast. Precision backlighting with 9,216 LEDs helps suppress blooming while revealing finer textures across bright and dark scenes. AI Upscaling² enhances content toward 5K resolution without requiring a GPU upgrade, while 218 PPI pixel density keeps text, HUDs, and game details exceptionally sharp. Dual-Mode refresh rates let you switch between 5K at 165Hz for responsive, cinematic gameplay or QHD at 330Hz for ultra-fast competitive gaming, supported by a 1ms (GtG) response time and NVIDIA G-SYNC Compatible and AMD FreeSync Premium technologies. Next-gen connectivity including DisplayPort 2.1³ (UHBR20), USB-C with 90W power delivery, and HDMI 2.1 supports high-performance PCs and consoles, while AI Scene Optimization, AI Sound, and built-in speakers help create a smarter, more immersive gaming setup. ¹AI Upscaling requires an input source of at least Wide Full HD resolution. Sources below Wide Full HD are not supported. Upscaling performance may vary depending on source quality. ²NVIDIA G-SYNC Compatible supports variable refresh rate on GeForce GTX 10 Series and higher GPUs on Display Port, and GeForce RTX 30 Series and higher GPUs on HDMI 2.1. ³Requires graphics card that supports DisplayPort 2.1 to achieve up to 330Hz refresh rate support. Actual refresh rates may vary depending on computer graphics specifications and configurations. ⁴Based on internal comparisons with LG's Mini LED model (27GR95UM).

Aspect Ratio: 169


Screen Finish: Matte


Contrast Ratio: 10001


Refresh Rate: 165


Display Type: IPS


Display Technology: LED


Brightness: 750 Candela per Square Meter


Pixel Pitch: 0.11655


Has Color Screen: Yes


Picture Quality Enhancement Technology: DisplayHDR1000, HDR10


Screen Size: 27 Inches


Item Dimensions D x W x H: 9.8"D x 24.2"W x 21.1"H


Item Weight: 18.7 Pounds


Resolution: 5K UHD 2880p


Display Resolution Maximum: 5120 x 2880 Pixels


Native Resolution: 5120x2880


Response Time: 1 Milliseconds


Total Number of HDMI Ports: 2


Total Usb Ports: 3


Additional Features: Built-In Speakers, Dynamic Action Sync, Height Adjustment, High Dynamic Range, Swivel Adjustment


Specific Uses For Product: Desktop, Entertainment, Gaming


Color: Black


Warranty Type: 1 Year Manufacturer Warranty


Shape: Flat


Brand: LG


Model Number: 27GM950B-B.AUS


Model Name: 27GM950B-B.AUS


Warranty Description: 1 Year Manufacturer


UPC: 195174147726


Manufacturer: LG


Unit Count: 1.0 Count


Built-In Media: DisplayPort Cable 2.1, HDMI Cable 2.1, Monitor, Power Cable, USB-C Cable


Best Sellers Rank: #55,119 in Electronics (See Top 100 in Electronics) #1,345 in Computer Monitors


ASIN: B0GVPJ1DHG


Customer Reviews: 2.5 2.5 out of 5 stars (16) 2.5 out of 5 stars


Connectivity Technology: DisplayPort, HDMI, USB Type A, USB Type C


Hardware Connectivity: DisplayPort, HDMI, USB Type C


Adaptive Sync: FreeSync Premium, G-Sync Compatible


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Aug 7

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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Top Amazon Reviews


  • Not the Studio Display XDR Competitor I Was Hoping Not the Studio Display XDR Competitor I Was Hoping
TL;DR: I wanted to love this monitor, but after 10 days of dealing with half-screen color glitches, text sharpness issues, and a overheating issue where the fan went full speed and the unit shut itself down, I am returning it. I initially ordered this monitor directly from LG because of their free 2-year warranty and it was not available on Amazon. It arrived heavily damaged—likely FedEx's fault. FedEx also left the giant, clearly marked monitor box right in front of my door like a shopping mall display for anyone to steal. To make matters worse, LG only offers returns, not replacements. After getting a refund, I still wanted to give the monitor a try. I re-ordered it through Amazon. The delivery experience was much better, even requiring a secure PIN to receive it. Unfortunately, the hardware itself didn't live up to the hassle. Issue 1: The "Right-Half" Display Glitch (macOS) Immediately after unboxing and connecting my M5 Pro MacBook Pro, I noticed the right half of the screen looked like it had a dark filter over it. Dropping the refresh rate to 60Hz or rebooting the Mac temporarily fixed it, but it reoccurred a few days later. The Workaround: If you run into this on Mac, you can bypass it using the BetterDisplay app—go to Image Adjustment, toggle the quantization value back and forth, and the screen resets. Issue 2: Text Sharpness (The Right-Side Blur) Like many others have reported, the right-side text sharpness issue was present on my unit. To be fair, it wasn't a dealbreaker for me while coding, and a recent firmware update supposedly addresses it. However, the next issue made a firmware fix irrelevant. Issue 3: Overheating and Fan Noise Yesterday, after only an hour of normal use, the monitor began to overheat. The internal fan kicked on at full speed—loud enough to hear easily from a normal seating distance—and the monitor shut itself down to protect the hardware. For a premium display, this is unacceptable quality control. Beyond the hardware defects, the everyday performance just isn't there for productivity. Running normal desktop tasks or SDR content with HDR mode on looks horrible on both macOS and Windows. The local dimming algorithm for daily desktop use is incredibly distracting. It doesn't come close to the seamless mini-LED display on a MacBook Pro. So for normal desktop tasks, you have to turn off HDR & Local dimming, but at that point, what's the point of even getting this monitor? HDR Content: To give credit where it's due, watching HDR videos or playing HDR games looks absolutely incredible. If 100% of your time is spent playing HDR games or watching HDR content, this might be the best monitor for you. But for someone who spends 80% of their time working with SDR content, coding, it's a massive letdown. Don't believe the reviews claiming this is a budget-friendly alternative to a Studio Display XDR—it isn't even in the same league for text and office work. I'm returning it, and try the Samsung G80HF. ... show more
Reviewed in the United States on May 27, 2026 Reviewed in the United States on May 27, 2026 by Terry

  • Don't buy for Macs Don't buy for Macs
I wanted a 5K display with around 220ppi with a high refresh rate for my Macs, so I ordered two of these, hoping that it would be cheaper alternatives to the new Apple Studio Display XDR. I must say that I am very disappointed. The matt screen causes a significant amount of shimmer/glitter and color distortion if you are sitting 12-24 inches from the screen, and text is not as sharp as the Apple Studio Display. This is similar to the Asus ROG Strix 5K XG27JCG. It has become obvious that a matte coating is a terrible idea and only glossy coatings will provide true sharpness at this density of pixels. Second, the monitor had issues with USB-C connectivity when using a docking station, with monitor unable to detect a signal unless the cable was disconnected and reconnected. I have sent both monitors back for a refund, and have now ordered the glossy Kuycon P27Z 5K 180hz from China. ... show more
Reviewed in the United States on May 16, 2026 Reviewed in the United States on May 16, 2026 by Maple Leaf

  • The best 27" display on the market
Received yesterday 5/11/26. Connected to a MacBook (using Thunderbolt / USB-C), work Linux (DisplayPort from NVIDIA 5070 TI), personal Linux and Windows (HDMI from NVIDIA 4080). Using 5k resolution everywhere. Mac and Windows both set the scaling to 200% automatically. Linux needed manual setttings. I think this is the only 5k 27" on the market right now that has HDMI 2.1 and DisplayPort 2.1 and also Thunderbolt. For my very complicated connectivity setup it was a must. I use this display mostly for productivity work - I'm a programmer, and stare at code all day, so text rendering quality is very important. For that, this display is amazing. The 5k resolution means I run it at 200% scale factor which makes text look much better than on a 4k display with 150% scale factor. I turned off "AI image optimization" because it dynamically changed color temperature and I didn't want that. In general, I find LG displays to have very good color calibration. I'm not a design professional but I do notice when the image is too warm or too cold. Brightness is very good, I actually turned it down a bit. I think 27 inch is the right size for a productivity display, a 32 means you have to move your head to take in the sides of the image. So at least for me, I prefer 27 inch. I have a second display which also 27 inch but 4k and that's the best setup for me. I also tried running games, and the results are somewhat mixed. Some games look amazing, some games have issues with HDR. I think most games are calibrated for HDR 400 / 600, and since this display is HDR 1000, some adjustments may be needed. Some games have bugs related to HDR. Some examples: AI Limit basically runs in SDR mode so you get a very dark picture (I ended up turning HDR off for this one), and Assasin's Creed Valhalla looks amazing in HDR with very deep darks and bright highlights. The display's 5k upscaler means I can run my games at 1440 and still get an amazingly sharp picture. Haven't noticed any issues with increased latency. The display is pretty heavy and build quality is solid. I'm still going to rate as 5 stars because my primary use case is productivity and for that use case, it's the best I've seen. If your primary use case is gaming, maybe I would recommend an HDR 600 display (my second display is like that, also from LG, and it works great). ... show more
Reviewed in the United States on May 11, 2026 by Konstantin Vasilyev

  • Defective Immediately and After Update Defective Immediately and After Update
I bought this monitor to compare with a Studio Display XDR nano texture, hoping to find something close in image quality and reflection handling but with multiple inputs and a drastically cheaper price (in lieu of heftier construction, built-in webcam, daisy chaining). The image displayed for a few seconds to a minute before turning to noise (like CRT snow) and the monitor became unresponsive to input and would not turn off without being disconnected from power. This occurred on every input - USB-C, DisplayPort, HDMI - on PC, Mac, and even a few times without any input. After several attempts I managed to get the firmware updated with the LG Switch app but the issue persisted. Since something was clearly defective, I don’t want to judge the image quality, though it seemed fairly close for the few seconds I was able to see it. Test images had slight vignetting at the corners. ... show more
Reviewed in the United States on June 7, 2026 Reviewed in the United States on June 7, 2026 by Evan Gray

  • Good so far (30 days in)
30 days in, no issues so far with work-issued Windows laptop and personal non-Windows machine. I purchased this when I hit a wall getting the Apple Studio XDR to work at 5k w/ the work-issued laptop. Will update review should things degrade.
Reviewed in the United States on June 4, 2026 by ThinkRad

  • Bad experience with LG Bad experience with LG
I've been using this monitor with a MacBook Pro M2 Max and it's been great. The image quality is excellent and the brightness is seriously strong — more than enough for any environment, even with bright light on the desk. The 5K resolution is in a class of its own: text is razor-sharp, which makes it incredibly comfortable for programming — that's what I use it for most. It's also great for watching videos. One note on HDR: when you enable it, the monitor reserves dynamic range for HDR content, so the rest of the desktop looks a bit darker. This is normal behavior for any HDR monitor, not a defect — I just keep it in SDR for day-to-day work and switch HDR on only when I'm watching content that takes advantage of it. Connection was painless: plug-and-play over USB-C (and HDMI) with the Mac, no drivers or weird setup. It runs at 120Hz without any issues. As an affordable alternative to the Apple Studio Display, this is a purchase I'd recommend without hesitation. Same 5K resolution, at a fraction of the price. Update 1: As other reviewers have mentioned, the image quality on the right side of the screen appears degraded and jagged. Update 2: No feedback from LG. I returned the monitor. ... show more
Reviewed in the United States on May 14, 2026 Reviewed in the United States on May 14, 2026 by claudio

  • Wait for QA to get better.
I got mine last week. First thing I noticed was that the 1/4 of the LHS screen looked bluer than the RHS. Consider this is also LG TV money, this is not acceptible. Second thing I noticed was that the speaker or Audio out did not work with one of the HDMI ports. This is the deal breaker to me, just dismounted everything and returned. Also do know that this is a matte screen, if you want the Apple Studio Display quality, go buy that instead. The matte screen takes away the 5K. ... show more
Reviewed in the United States on May 23, 2026 by Ruizhe D.

  • Fantastic for Mac and PC Fantastic for Mac and PC
Update: LG has released a firmware update that I'm please to say fixes the text rendering issue mentioned below. This update can be applied via the LG Switch app on PC or Mac. With that fix in place, this is now an excellent product and I have no other issues with the display on Mac or PC. I ordered a pair of these displays since they ticked every box for me: true 5K resolution for correct scaling on a Mac and PC; lots of ports; high refresh rate for gaming; Mini-LED for HDR content; and an IPS panel for crisp text in desktop use versus an OLED. For the most part, these are good monitors, without the significant blooming issues of previous gen LG mini-LED displays (although, there are some compromises in desktop use with vignetting around light areas). They're incredibly bright too, which is great for HDR. However, both of my monitors are experiencing the exact same issue mentioned in other reviews. The right hand side of the panel appears to be stuck at 100 percent sharpness versus the left. This causes the text on the right hand side to appear jagged. Setting the sharpness to 100 in the settings balances this out, but means that text looks jagged across the whole display. This suggests a firmware versus a hardware issue, but as they monitors are so new, LG hasn't communicated a cause or fix for this problem yet. If the problem gets resolved, this is a five star product. But as it stands, can only go with a three. Fingers crossed LG gets a fix out soon. ... show more
Reviewed in the United States on May 14, 2026 Reviewed in the United States on May 14, 2026 by Dr Rick Dagless

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