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27” Class 4K UHD IPS LED HDR Monitor with Ergonomic Stand (27” Diagonal)
24.5" x 22.5" x 9.1" (Up), 24.5" x 18.2" x 9.1" (Down)
Without Stand (WxHxD)
24.5" x 14.6" x 1.8"
Shipping Dimensions (WxHxD)
27.7" x 20.4" x 7.6"
With Stand Weight
Without Stand Weight
Display Position Adjustments
Wall Mount Size (mm)
100 x 100 mm
1 Year Parts and Labor
What people are saying
Rated 5 out of
Bright, crisp, beautiful!Happily received as a greatly appreciated Christmas gift.
Date published: 2022-01-12
Rated 1 out of
Monitor's damage and no serviceBrand new monitor has a shadow, ask for service or replacement and LG never send to me a shipping label to send it to fix. Label was requested 3 times and LG never sent it.
Date published: 2021-12-20
Rated 5 out of
Great features, I am very satisfied with itI bought it about two months ago and I am very satisfied with it, I will definitely recommend it for those who want to watch cristal clear 4k Videos
Ask your questions. Share your answers. Please review the detailed product information and help guides in the Product Support section for this product prior to posting a question.
Does this or any similar display auto rotate the onscreen image? My specific use case requires MacOS compatibility; I have a display that is stated to auto rotate when pivoted but that is not the case when connected to my MacBook Pro.
Asked by: ProPivot
The LG 27” Class 4K UHD IPS LED HDR Monitor with Ergonomic Stand (27” Diagonal), Model # 27UL550-W can be pivoted 90° to portrait mode but the onscreen image does not auto-rotate. You would need to go into the display setting for your PC/Laptop to change the screen orientation from landscape mode to portrait mode...^IFV
Answered by: Ivanf
Date published: 2021-07-21
Will this monitor work with the Mac Mini (M1) 2020?
Asked by: Miss One
What refresh rates and resolutions does your Mac Mini (M1) 2020 output, does it support Plug and Play, and what connectivity does it have? The LG 27” Class 4K UHD IPS LED HDR Monitor with Ergonomic Stand (27” Diagonal), Model # 27UL550-W has a native refresh rate of 60Hzand a native resolution of 3840 x 2160. It is a Plug and Play monitor so driver downloads are not required. If your Mac Mini (M1) supports Plug and Play, it will automatically detect the monitor and use the correct refresh rate and resolution for the monitor. Connectivity for the monitor includes 2 x HDMI 2.0ports and a DisplayPort (DP ver. 1.4) and they are all HDCP 2.2 compliant...^IFV
Answered by: Ivanf
Date published: 2021-06-06
Will this monitor work with my iPad pro? Thanks...
Asked by: hoda2020
Check the specifications for the Graphics card in your iPad Pro and what connections it has. The LG 27” Class 4K UHD IPS LED HDR Monitor with Ergonomic Stand (27” Diagonal), Model # 27UL550-W has a native resolution of 3840 x 2160 and a refresh rate of 60Hz, and it features 2 x HDMI ports (ver. 2.0) and a DisplayPort (ver. 1.2)...^IFV
Answered by: Ivanf
Date published: 2022-01-17
will this monitor work with a VESA stand?
Asked by: Williammmmmm
The LG 27” Class 4K UHD IPS LED HDR Monitor with Ergonomic Stand (27” Diagonal), Model # 27UL550-W is a VESA compliant display that has a VESA Wall Mount Interface Pattern of 100 x 100 mm...^IFV
Answered by: Ivanf
Date published: 2021-11-01
The monitor cannot work with my laptop(Macbook Pro). My laptop can recognize the monitor and behave the same as if the monitor worked. But on the monitor side, it shows "No Signal" anyway, no matter which cable I am using. Is there anyway to solve this?
Asked by: linnnnn
It sounds like we will need to have our computer specialists look into this for you. Please give us a call at 800-243-0000 for assistance.
Answered by: ChrisPSM
Date published: 2020-05-14
Is this monitor PS4 compatible?
Asked by: SpiritWolf614
The 27” Class 4K UHD IPS LED HDR Monitor with Ergonomic Stand (27” Diagonal), Model # 27UL550-W has a native resolution 4K of 3840 x 2160 and your gaming console only outputs 1080p at most. You will not get a full picture on the monitor...^IFV
1Free shipping not available for parts and accessories. Free shipping to qualifying US destinations in the contiguous United States; not available for P.O. Boxes, addresses outside the contiguous 48 states, international addresses, Army Post Office (APO), Diplomatic Post Office (DPO) and Fleet Post Office (FPO).
*Parts and accessories shipping cost may vary.
^Purchase one (1) qualifying LG UltraGear 850 series gaming monitor and receive a $45 gift card of your choice to either Xbox or Twitch. Valid for purchases made on LG.com from 8/30/2021 to 9/30/2021. Customers will be required to visit www.lg-promos.com/computeroffer to redeem their offer within 30 days of the purchase date . If any of the qualifying items are removed from the cart or part of the order is cancelled or returned, the promotional savings will be void. Prices and offers are non-redeemable for cash, non-transferable and may not be combined with other offers/discounts. Availability, prices and terms of offer are subject to change without notice. Qualifying models: 27GP850-B.AUS, 32GP850-B.AUS
Prices, promotions and availability may vary by model, store, and online. Prices subject to change without notice. Quantities are limited. Check with your local retailers for their final price and availability.
Not only does LG have the #1 UltraWide*, UHD** and gaming monitors*** in the country, but with a wide range of options, we make it easy to find the right LG monitor for all that you do. Just a few of the options available include:
• Curved UltraWide Monitors: Whether you want one large panoramic view or need a 4-screen split so you can see more of your work at once, our curved UltraWide monitors make it all possible. Their 21:9 aspect ratio and IPS technology ensure you'll get true color accuracy at any angle – making them among the best computer monitors for designers, photographers, gamers and other professionals who need more room for big ideas.
• UltraFine™ Monitors: Our UltraFine collection includes brilliant 4K monitors, as well as breathtaking 5K monitors in a variety of sizes. But no matter which solution fits best, you'll still get a stunning IPS display that delivers vibrant colors, incredible clarity and fine detail. • UltraGear™ Gaming Monitors: Get widescreen monitors built for gaming. With the latest hardware specs, game-focused features, like NVIDIA G-SYNC™ compatibility, and AMD Radeon™ FreeSync™ 2 technology, a vibrant IPS display, 1ms GTG response times and pro-level customizations, you cannot just get in the game – you can dominate it.
Whether you're looking for curved monitors for work, a 4K or 5K solution for your home office, or need a new gaming monitor to elevate your play, we've got you covered. Check out all the latest monitors from LG – including our 4K, IPS and gaming monitors, as well as our LED monitors, and our UltraWide, UltraFine collections – and find the right monitor for your space and your life.