
LG 27UP850K-W 27-inch Ultrafine 4K UHD (3840 x 2160) IPS Computer Monitor, 60Hz, 5ms, DisplayHDR 400, Built-in Speaker, HDMI, DisplayPort, USB Type-C 90W PD, Tilt/Height/Pivot Adjustable Stand, White
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AI Verdict
A 27-inch 4K UHD IPS monitor with 95% DCI-P3, VESA DisplayHDR 400, and 90W USB-C PD, built for productivity and creative work.
This monitor is a strong contender for creative professionals and productivity users who prioritize 4K resolution, color accuracy (95% DCI-P3), and the convenience of 90W USB-C power delivery. Its 60Hz refresh rate and 5ms response time mean it's not for serious gamers, but it handles general computing and content consumption well.
If you need a more immersive HDR experience, look for monitors with VESA DisplayHDR 600 or 1000 and local dimming zones. For serious gaming, prioritize a 120Hz+ refresh rate and 1ms response time.
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Pros
- The 27-inch 4K UHD (3840 x 2160) IPS display provides sharp images and wide viewing angles.
- Covers 95% DCI-P3 color gamut, delivering accurate colors for creative tasks.
- USB Type-C port offers 90W power delivery, DisplayPort Alt Mode, and data transfer with a single cable.
- VESA DisplayHDR 400 support means it can display HDR content with increased brightness and contrast.
- The ergonomic stand allows for tilt, height, and pivot adjustments.
- Includes two HDMI 2.0 ports, one DisplayPort 1.4, and a two-port USB 3.0 hub for extensive connectivity.
Cons
- The 60Hz refresh rate is limiting for fast-paced gaming.
- The 5ms GtG response time is not competitive for serious gaming.
- VESA DisplayHDR 400 is an entry-level HDR certification, not offering a dramatic HDR experience.
- Built-in speakers with Waves MaxxAudio are generally considered weak by users.
- The stand lacks swivel adjustment.
Dimension Scores
The 4K UHD (3840 x 2160) IPS panel with 95% DCI-P3 color gamut and VESA DisplayHDR 400 offers sharp details and accurate colors.
A 60Hz refresh rate and 5ms GtG response time are below average for modern monitors, especially for gaming.
Includes USB Type-C with 90W PD, DisplayPort 1.4, two HDMI 2.0, two USB 3.0 ports, and a headphone jack, offering extensive connectivity.
The stand provides tilt, height, and pivot adjustments, but lacks swivel, which is a common feature in this category.
Best For
- Photo and video editing requiring accurate color reproduction.
- Productivity tasks with multiple windows benefiting from 4K resolution.
- Users with USB-C laptops needing single-cable connectivity and charging.
- Casual gaming where high refresh rates aren't a priority.
Not Recommended For
- Competitive esports or fast-paced gaming due to 60Hz refresh rate and 5ms response time.
- Professional HDR content creation needing higher peak brightness and local dimming.
- Users who need a monitor with a swivel-adjustable stand.
Watch Out For
- The power button/menu joystick on the bottom can be annoying, as its bright white LED flashes when the system is off.
- Some users report intermittent fizzing noise from external speakers connected to the monitor via USB-C.
- The USB hub connections have failed for some users after several months of use.
- Default color calibration might be poor, with one user measuring a Delta-E average of 4.7 before calibration.
- The stand, while adjustable, feels "incredibly cheap and plasticky" to some users.
Full Specifications
| ASIN | B0DQFF7FBS |
| Brand | LG |
| Color | White |
| Series | 27UP850K-W.AUS |
| Voltage | 240 Volts |
| Resolution | 4K UHD 2160p |
| Item Weight | 12.98 pounds |
| Screen Size | 27 Inches |
| Aspect Ratio | 16:9 |
| Manufacturer | LG Electronics Inc. |
| Item model number | 27UP850K-W |
| Screen Resolution | 3840x2160 |
| Product Dimensions | 9.4 x 24.2 x 22.4 inches |
| Max Screen Resolution | 3840 x 2160 Pixels |
| Item Dimensions LxWxH | 9.4 x 24.2 x 22.4 inches |
| Number of USB 3.0 Ports | 2 |
| Screen Surface Description | Matte |
| Standing screen display size | 27 Inches |
What Buyers Say
Many users praise the monitor's 4K resolution and color accuracy, especially for creative work, noting that text is super sharp. The USB-C connectivity with 90W power delivery is a frequently highlighted convenience, streamlining setups. However, the stand's build quality is often criticized as feeling cheap, and the 60Hz refresh rate is a recurring point of contention for gamers. Some users have also reported issues with the USB hub failing or experiencing audio interference through the headphone jack when using USB-C.
“This monitor is a lifesaver for my WFH setup with the single USB-C cable, but man, that flashing light when it's off drives me nuts, and the speakers are just... there.”
Common Praise
- 4K resolution makes text and images appear super sharp.
- Colors are accurate and vibrant, with 95% DCI-P3 coverage.
- USB-C with 90W power delivery simplifies cable management and laptop charging.
- The ergonomic stand with height, tilt, and pivot adjustments is appreciated for comfort.
- The joystick for OSD navigation is intuitive and responsive.
Common Complaints
- 60Hz refresh rate is not suitable for serious gaming.
- The stand feels cheap and plasticky, despite its adjustability.
- Some users experience intermittent fizzing noise from external speakers when connected via USB-C.
- The bright white LED on the power button/joystick flashes when the monitor is off, which can be distracting.
- USB hub connections have failed for some users after a few months.
Ownership Tips
- The monitor's default calibration might need adjustment to achieve optimal color accuracy (Delta-E average of 4.7 reported before calibration).
- The VESA DisplayHDR 400 certification provides a noticeable but not dramatic HDR effect.
- The built-in speakers, while present, are generally not powerful enough for immersive audio.
- The monitor's thin bezels on three sides contribute to a clean aesthetic.
- The lack of swivel on the stand means you have to move the entire base to change horizontal viewing angles.
Frequently Asked Questions
Does this monitor have built-in speakers?
Yes, it has built-in stereo speakers with Waves MaxxAudio.
Can I charge my laptop with this monitor?
Yes, the USB Type-C port provides up to 90W of power delivery, which can charge many laptops.
Is this monitor suitable for gaming?
It has a 60Hz refresh rate and 5ms response time, which is fine for casual gaming but not ideal for competitive or fast-paced titles.
What kind of stand adjustments does it offer?
The stand allows for tilt, height, and pivot adjustments.
What color accuracy does this monitor offer?
It covers up to 95% of the DCI-P3 color gamut, making it suitable for tasks requiring accurate color reproduction.
Does it support VESA mounting?
Yes, it supports a 100 x 100mm VESA wall mount.
Buying Guide
When buying a monitor like this, you need to think about what you're actually doing with it. If you're editing photos or videos, color accuracy (like DCI-P3 coverage) and resolution (4K) are key for seeing your work clearly. For everyday tasks and connecting your laptop, USB-C with power delivery is a huge convenience, letting you use just one cable for video, data, and charging. Don't get hung up on "HDR" unless it's a higher certification than 400, as entry-level HDR doesn't always blow you away.
4K UHD (3840 x 2160) Resolution
This is like having a super-sharp TV screen for your computer. More pixels mean more detail, so text looks smoother and images are incredibly crisp, giving you more screen real estate to work with, similar to having multiple documents open on a single large canvas.
95% DCI-P3 Color Gamut
This tells you how many colors the monitor can accurately display. 95% DCI-P3 is a wide range, meaning colors will look true-to-life, which is crucial for creative work where color fidelity is important, like matching print colors or video grading.
USB Type-C 90W Power Delivery
Imagine one cable that connects your laptop to the monitor for video, transfers data for your peripherals, and charges your laptop all at once. That's what 90W USB-C PD does, decluttering your desk and making setup a breeze, especially for modern laptops.
60Hz Refresh Rate
This is how many times per second the screen updates its image. 60Hz is standard for most tasks, like browsing or office work, but if you're a serious gamer, higher refresh rates (120Hz or more) make motion look much smoother, giving you a competitive edge.
Alternatives
If you need smoother motion for gaming, look for monitors with a 120Hz or higher refresh rate and a 1ms response time. For a truly impactful HDR experience, search for monitors with VESA DisplayHDR 600 or 1000 and full-array local dimming.



