LG 27UN850-W Ultrafine Computer Monitor 27-Inch UHD 4K UHD 2160p IPS with VESA DisplayHDR 400 AMD FreeSync and USB-C - White/Silver
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Availability:
Only 1 left in stock, order soon!
Arrives
Jul 22 – Jul 24
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Display Size: 27 Inches
Style: Power Delivery: 60W
Features
- With VESA DisplayHDR 400 high dynamic range compatibility, this monitor brings work and virtual worlds to life, backed by 400 nits of brightness, elevating textures, elements, character movements, and natural light and shadow
- With 99percent coverage of the sRGB spectrum, this monitor is a great solution for photographers, graphic designers, or anyone looking for highly accurate color
- To more fully realize content creators' vision, this monitor is compatible with VESA DisplayHDR 400 high dynamic range, supporting specific levels of color and brightness that exceed the capabilities of ordinary monitors.
- Transform standard content into HDR-quality video right on the screen. Using a picture quality algorithm, tone mapping and luminance of SDR content are improved for an HDR-like experience
- Customized game modes optimize your gaming conditions with two first-person-shooter (FPS) modes and a real-time strategy (RTS) mode as well. Make screen adjustments with a few clicks of your mouse with On-Screen Control
- This model does not have a built-in camera
Description
Upgrade to an LG UltraFine IPS 4K screen, delivering ultra HD resolution with supremely accurate colors, even when viewed off angle. The 27UN8550 W, 27 inch display offers versatility of USB Type C connectivity plus the Benefit of HDCP 2.2 compatibility, so it will seamlessly display 4K content from a variety of sources.
Brand: LG
Screen Size: 27 Inches
Resolution: 4K UHD 2160p
Aspect Ratio: 169
Screen Surface Description: Glossy
Aspect Ratio: 169
Screen Finish: Glossy
Contrast Ratio: 13001
Refresh Rate: 60 Hz
Display Type: IPS Display
Display Technology: LCD
Viewing Angle: 178 Degrees
Brightness: 400 Candela per Square Meter
Color Gamut: 0.99
Has Color Screen: Yes
Picture Quality Enhancement Technology: DisplayHDR 400, HDR10
Screen Size: 27 Inches
Item Dimensions D x W x H: 8.2"D x 27.2"W x 19.4"H
Item Weight: 13.5 Pounds
Resolution: 4K UHD 2160p
Display Resolution Maximum: 3840 x 2160 Pixels
Native Resolution: 3840x2160
Power Consumption: 130 Watts
Voltage: 240 Volts
Connectivity Technology: HDMI, DisplayPort, USB Type-C
Hardware Connectivity: USB, USB Type C
Adaptive Sync: FreeSync
Additional Features: Anti Glare Screen, Height Adjustment, Pivot Adjustment, Tilt Adjustment
Specific Uses For Product: Business, Multimedia, Personal
Color: Silver
Mounting Type: VESA Mounting (W x H) 100 x 100 mm
Compatible Devices: Monitors
Warranty Type: Limited
Shape: Flat
Brand: LG
Model Number: 27UN850-W
Model Name: UltraFine
Warranty Description: Limited 1 Year Parts & Labor
UPC: 195174002889
Manufacturer: LG Electronics
Item Type Name: LG UHD UltraFine Monitor
Built-In Media: HDMI,Display Port,USB Type-C
Response Time: 5 Milliseconds
Processor Count: 1
Total Number of HDMI Ports: 2
Total Usb Ports: 2
Number of Component Outputs: 2
Total USB 2.0 Ports: 1
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Jul 22 – Jul 24
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Although I am aware this is a productivity monitor first, I was in the market for a 4K60 Monitor that could game well and would not break the bank. I am used to gaming on console so 120FPS support was not something I required as I am satisfied with 60FPS. I did endless amounts of research on various brands in this pricepoint to figure out what would be the best monitor in terms of screen quality and response time. This specific model did not have many reviews in terms of gaming performance, however I did know that LG makes great gaming monitors, this one has a game mode, and I was already looking at the LG 4K model priced below this one. When this model went on sale, I took a risk and purchased it over other highly praised monitors in this price point not knowing if it would be good for gaming, and I can answer that YES it is! Starting with screen quality, brightness is great, contrast is beyond expectation, white, gray, and black uniformity are all top notch, with little to no IPS glow. Colors are accurate and the resolution keeps things sharp. No complaints. For gaming, when you put this monitor directly side by side with a high refresh gaming monitor, it is extremely noticeable that this will not be as fast of a monitor as something gaming dedicated in terms of response time, however it is much more responsive than a normal 60FPS TV or other productivity based screens. I also have a 15 inch macbook retina display, and the response time on this monitor is atleast twice as good. Unless you are an ultra competitive high refresh gaming enthusiast, you will not notice any kind of input lag or poor pixel response in this monitor. It is just as good or better than playing console on a high end TV, and in gaming scenarios, I personally can not tell the difference between the response time on this monitor and my LG gaming monitor. It is only when using UFOTest that the difference becomes very apparent, and this mainly comes down to the difference in FPS. If I ran my dedicated LG gaming monitor at 60FPS, the response would be about the same. In short, if you are used to gaming on console with a TV and are looking for a responsive 60FPS display to prioritize image quality and play mostly singly player games with high settings, get this one and you will not have any regrets. If you are looking for the fastest thing in gaming and play mostly multiplayer competitive games you shouldn't even be reading this review. If you CAN afford it, I would highly recommend a 4K120 gaming monitor for the best of both worlds. In this price point with realistic expectations in mind, this is a fantastic monitor!
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Reviewed in the United States on January 9, 2023 by Andrew S.
I have four 4K monitors: LG 27UN850-W X2, one desk dual monitor setup (will be referred below as LG) Dell U2720Q X2, one desk dual monitor setup (will be referred below as Dell) I use LG, my spouse uses Dell. In my mind LG is better to fit my needs. From my spouse's point of view, Dell is preferred over LG. 1. Why does LG better fit my needs? a) both LG and Dell have anti-glare screens. But I found Dell reflects a little bit more than LG. I have a “designer white” desk. Dell’s reflection is noticeable especially during the evening when using the desk lamp and watching videos. On the other hand, LG does not distract my attention due to glare. The Dell glare issue could be a combination of my desk color and light source setup. But given the exact same setup, LG does not distract my attention due to reflection. b) LG has ports arrangement on the back, rather than at the bottom. I’d like to try different gadgets during the past weeks. The LG’s design makes it super convenient to plug/unplug cables, firetv stickers. Dell’s traditional port design also works well thanks to the best ergonomics stands (will come to it later). Adding devices/cable to Dell just by simply rotating the screen. c) LG has a user-friendly screen control joystick. Dell’s traditional button is not comparable. Again, because I’d like to change settings, and try different gadgets. 2. Why does Dell better fit my spouse's needs? Ergonomics, ergonomics, ergonomics! My spouse needs ergonomic monitor stands. Dell’s design fits the bill perfectly. A complete freedom of adjustment with extremely wide ranges, at any direction. 3. What do the two monitors share in common? They are all very good monitors for regular day to day work/entertainment. Again we are not professional graphic designers nor video editors. For average users like us, you cannot go wrong with either LG/Dell. For most of the time, all our monitors work in reader/office/text mode. When it comes to entertainment, LG/Dell, for me, do not make much difference. I cannot tell the difference when watching videos or playing games, or editing family photos. They look pretty much the same for casual entertainment. I also placed the LG/Dell side by side, playing the same youtube 4K HDR videos with all monitors in full HDR settings, but I cannot tell which is better. They all calibrated to their own standards. In their own “reference frame”, they all look very beautiful. Btw, isn’t the best entertainment to find a job to do what you like? The office/text mode might be the best entertainment mode for me :-) Finally, because this is my serious review under this LG product tag. I will add 3 more points for LG only: 1. LG has a bulky voltage transformer shown in the picture. The power cable on each side of the voltage transformer is about 55 inch (total about 110 inch including the transformer in the middle), long enough for any home office setup. However, for a standing desk, I have to spend a bit extra effort to hide the bulky transformer in the cable management tray. 2. One of the LG monitors has a very tiny issue with the stand. I returned it and bought a new one. The problem went away. 3. LG has a builtin speaker that can be easily used with fireTV stick 4K, just plug and play. If I want to control volume, I’m using the LG monitor joystick, or a separate speaker or a bluetooth (Jabra evolve 75), where output device with builtin volume controls. The joystick also makes the hdmi input switch very easy, fireTV to Nvidia Quadro, very smooth joystick operation. But better to get a 4K HDMI switch.
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Reviewed in the United States on June 2, 2021 Reviewed in the United States on June 2, 2021 by Yin Chang
Was using Dell u2415 that seemed pretty good for the new Mac mini (8/256) I just got, using HDMI. Dell screen had a few areas that were getting image burn or something, so searched for 27 in 4k replacement. Biggest question was would I notice a significant difference if did get a 4k, well the answer is yes. I got 27UN850-W since I don't need 90w or 60w charging. Not a gamer, not a photo proofer, not a content creator. This screen is really nice, the text is much sharper and clearer, and my eye are not bugged out after extended viewing like they were on the Dell. Cost an issue, oh yeah, the apple display was not happening. Really anything over $400 wasn't happening. Do I need a USB hub, no or ethernet in the monitor-no. Ran the included USB-C cord from the Macmini to the LG screen turned everything on and wow how nice the screen looked. It shows up in system as LG HDR 4K with color profile LG HDR 4K 60hz. It looks super excellent to me. Did try changing the resolution to I guess it was true 4K and everything was sharper, but needed a magnifying glass to read it, so I went back to that original setting as it was perfect. Looking in Hardware Graphics/Displays this is what my Mac was reporting: LG HDR 4K: Resolution: 3840 x 2160 (2160p/4K UHD 1 - Ultra High Definition) UI Looks like: 1920 x 1080 @ 60.00Hz It is silent just like the Macmini. Still quick and snappy. My windows machine has W11 and attach it via HDMI. The joystick control on the LG makes it easy to select what input to display and I had to play with that because it defaulted to some high resolution with 30hz! Everything was really choppy, got it set to a lower resolution at 60hz. This screen will go to sleep with the Mac, and wakes up fast no issue. The included speakers are set with Maxx sound on-which is an attempt to make them sound better-and they do get quite loud, but they are small monitor speakers, and would only be good for voice. At low volume levels music would probably be ok, but I am not using them, and using a bluetooth speaker for way better sound. Stand is stable for me, really easy to put together and get going. The power brick is hidden under desk, not a big deal that it is a small block, cord is plenty long. Well packaged. LG delivered a very nice screen for the money with this one. Super happy that it was plug and play with the Mac, and operates correctly with the Mac. It's a keeper for me. Update April 26 2024---------------- Quick update after using it daily for the last 6 months. No change in opinion, no buyers remorse, no screen issues, still easy on my 60+yr old eyes. Sometimes when reading text I really notice the detail and sharpness and get that happy feeling. Update July 6, 2025-----------------> Still going strong there have been no changes in performance, this has turned out to be a fantastic monitor.
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Reviewed in the United States on September 27, 2023 by soopabox
The newer version of this monitor was on sale for $30 less than the older version, but as I was doing my due diligence and looking into alternatives, the price went up. That was annoying, but at least the old one was still significantly less expensive than comparable monitors by other brands, and the reviews don't appear to be any worse. And the only difference between the older and newer versions is that the newer one supplies more power through USB-C, which is useless to me as I'm using it with a Mac mini. BTW, it seems connecting a desktop computer via USB-C causes problems, so it's best to use DisplayPort (via ThunderBolt/USB-C) or HDMI. I went with DP, because some users have reported that Apple's HDMI implementation uses YCbCr instead of RGB. But using HDMI saves you a TB port. Build quality could be better - all plastic, and a barrel connector for power. There is no power button, which is annoying - the monitor is either on, or in sleep mode (and it's quite slow to change states, also annoying). The joystick for navigating the OSD feels a little flimsy, but it works well enough, although I think I'd prefer buttons. It looks like there's barely any bezel at all along three sides (the bottom has a somewhat prominent bezel with the LG logo), but when you turn it on, you see that the other three sides have a black border that is effectively a bezel. It's maybe 1/3 the thickness of the bottom bezel. I can't comment on the stand, as I'm using it with a VESA monitor mount. The display looks great. The white point was a bit high, and the white point adjustment is too coarse. I don't have a colorimeter, so I manually adjusted the display as best I could to match my MacBook Pro. Someday I'll get a colorimeter, but for now, I'll live with the fact that it's not quite as accurate as my MBP or my old NEC professional series monitor. Also, I'm using the monitor with BetterDisplay, and I don't know if it looks any worse without it. It isn't as sharp as my MBP's display, or a 5K monitor, but it still looks very nice, way better than my old 1920x1200 NEC did when I plugged it into the Mac mini. The viewing angle also isn't as good as my MBP - I'd say it's good around 120˚, beyond that is when the picture starts to become difficult to see, whereas with my MBP, it's viewable practically 180˚. And as you move further away from 0˚, you'll see more and more of a white point shift. The anti-glare glass doesn't really help that much IMHO - it diffuses glare, but it just means you don't see a clear reflection; with a strong ehough light source, such as indirect sunlight via a north-facing window, it will still reflect enough light to make the display difficult to see. All in all, I'm happy with the monitor, considering the low price. However, LG is not known for making robust monitors, and I've had issues with both their monitors and their warranty department in the past. So far, the monitor has been great, but I've only been using it for ~4 months. Let's see how it's doing 3-5 years from now.
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Reviewed in the United States on May 1, 2025 by JC
I purchased this monitor to get more screen real estate for working from home during the COVID-19 pandemic. It's great to be able to have a Zoom or Teams meeting going, have a document or browser window open, and to be able to keep an eye on my email without having to constantly minimize or move windows around. The image quality is excellent - very sharp and clear with natural looking color. Contrast is also very good, although black levels are not as good as on a higher end modern television or mobile device with an OLED panel. But, you really only notice at night in a darker room. The matte screen also lets me have my home office setup in front of a set of windows without fighting glare. Onscreen text looks great, and the night mode preset that lowers brightness levels and shifts whites to a warmer hue is also nice when working late. Video looks very good, although I haven't been able to get Netflix and Amazon to stream to the monitor in 4K. I'm using the latest and greatest version of usb-c to connect to a late-model HP laptop. If anyone has troubleshooting tips, let me know. But, non-protected 4k content from sites like YouTube looks great. This monitor doesn't have a high refresh rate by 2020 standards, though, so gamers and people watching live sports might be happier looking elsewhere. The 2-way adjustability of this monitor makes it really comfortable to use for long workdays. The stand is also surprisingly solid and more premium than it looks in the photos. I assumed it would be plastic, but it's metal. So, I have no worries about accidentally tipping the monitor off my desk when adjusting the screen. It is also ingeniously simple to assemble without tools or messing with a bunch of little screws. Overall, this is an almost ideal monitor for working from home, and LG seems to have prioritized productivity over entertainment in its design choices, which is great for me. It has a modern, minimalist design compared to a lot of other options with overwrought styling intended to appeal to gamers, which is nice since my "office" is also our family room. And, IMHO, matte screens are MUCH more pleasant for reading and writing than glossy models. Highly recommended.
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Reviewed in the United States on November 19, 2020 by Edugeek
I was comparing monitors by pixel density vs price and this one was the winner, and sure enough, the device is as advertised–very crisp. I'm using it with a Macbook Pro M1 and a Macbook Air M3. Now that I've had it for 6 months I'm happy to report that after being committed to Dell monitors for the past 15 years, this monitor was both better quality and cheaper than my recent Dell purchase. Also my Dell monitor faces horribly annoying flashing issues every few days with my macbook pro. I will be switching brand allegiance now. For your consideration, I leave this monitor in vertical orientation, and I mostly use it for programming, reading, and writing. I also pile utility apps onto it. It is stellar for these uses. It is far brighter than needed after sundown and during the day it is sufficiently bright for any situation. I plug it into my laptops via a Tobenone doc, and at this time it is set scaled up to 1440p and runs at max of 30Hz (not sure why not 60Hz).
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Reviewed in the United States on February 10, 2025 by Ethan
There are many issues with this monitor, one not so bad, the second--had I known it--would have been reason enough to order another monitor. First, the knob that controls the screen is pretty intuitive, but it sometimes seems to "catch" when moving it to another position, and so sometimes an option is chosen that is not intended. The bigger issue, though is that the monitor will begin flickering at a strobe light-like pace for no reason. The monitor was purchased to work with an iMac mini with an M2 processor. Therefore, about every third time I use my computer, I have to unplug every computer and peripheral attached to the LG, turn off the LG, unplug the LG, and then reattach everything to -- MAYBE -- make the flickering go away. This is extremely annoying, as you can imagine. I've tried all the fixes people mention online, but the point is that a monitor built in 2023 that sells itself as Mac-compatible should just work as well as Mac products without the need for visiting multiple websites to find fixes. I purchased this monitor in early August, so I'm now past the exchange date. Too Bad. Wish I had gone with the Samsung smart tv or the Dell for just a few bucks more. In addition. I'm missing out on the full use of the M2 chip because I can't use the full UHD on this monitor without it flickering even more often. Also, be advised--only one of the USB C pots can actually be used to power anything, so expect to have to use dongles or some other method to run peripherals. Again, a pretty lousy monitor. Seller -- SAVEABIZ--will not accept returns for a full refund after 14 days. why does Amazon do business with sellers like this?
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Reviewed in the United States on September 9, 2023 by Matilda Nava
I bought this monitor to act as a secondary screen for my M3 MacBook Pro as well as a dedicated screen for my older touch bar MacBook Pro with a damaged screen (using it in clamshell mode with a bluetooth Anker keyboard and a Logitech mouse). The quality of the monitor is great, and it's not overly heavy for a 27 inch monitor. It's large enough I could multitask different windows comfortably. The color is great on the Ultrafine, and the 4K resolution looks just as good to my eyes as the native resolution on my M3 Pro MacBook despite the monitor having a max refresh rate of 60 hertz vs. the laptop's built-in 120 hertz display. Having the AMD FreeSync mode built in for gaming does help it look smooth when running games on my computer or my Nintendo Switch (I have yet to try it with my PS5). The USB-C connection on this helps minimize cable usage, as it does charge my laptop at 60w.
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Reviewed in the United States on April 1, 2025 by Michael