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LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black

MODEL:

27GX704A-B
4.6 out of 5 Customer Rating
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black is rated 4.8 out of 5 by 4.
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LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires
LG 27 in. UltraGear Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI - Black, , hires

Key Features

  • Refresh Rate: 240 Hz
  • Display Resolution: 2560 x 1400 Max Resolution
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About this Item

PDF Icon Owners Manual
PDF Icon Quick Reference Guide
PDF Icon Specifications Sheet
PDF Icon Warranty
Color
Black
Series
UltraGear
Display Type
OLED
Display Size (Inches)
24 in.
Actual Display Size (Inches)
26.5 in.
Display Resolution
2560 x 1400 Max Resolution
Refresh Rate
240 Hz
Flat/Curved
Flat
Touchscreen
No
Made for Gaming
Yes
Portable
No
Response Time
0.03 ms GtG
Aspect Ratio
16:9
Contrast Ratio
1500000:1
HDR
Yes
Brightness (Nits)
275 Nits
Onboard Speakers
No
Onboard Microphone
No
Other Features
Astoundingly, fast, tear-free gaming with up to 240Hz & 0.03ms on a bright, glossy 27" OLED screen DisplayHDR True Black 400 delivers deep blacks, rich contrast, and stunning dark-scene detail Ultra fast, tear-free gaming up to 240Hz & 0.03ms on a bright 27" OLED screen Next-gen ready with dual HDMI, DP 1.4, USB upstream, and two downstream ports Reduced screen stutter with NVIDIA G-SYNC compatibility AMD FreeSync Premium Pro Virtually borderless 27" OLED with adjustable screen for a custom setup
Product Height
13.8 Inches
Product Width
23.8 Inches
Product Depth
1.8 Inches
Product Weight (lbs.)
11 Lb(s)
Product Height with Stand (in.)
21 Inches
Product Depth with Stand (in.)
8.7 Inches
Product Weight with Stand (lbs.)
15.9 Lb(s)
Inputs
Display Port, HDMI, USB A
Input Details
2 x USB A / 1 x USB B / 1 x DisplayPort / 2 x HDMI / 1 x Audio
Number of HDMI Inputs
2
Onboard Webcam
No Onboard Webcam
Webcam Resolution
Not Applicable
Stand Included
Yes
Included in Box
-
Warranty Terms - Parts
12 Month(s)
Warranty Terms - Labor
12 Month(s)
Energy Star Certified
No
Settings Control
One Button
Rated 5 out of 5 by from 27" LG OLED Monitor Review [This review was collected as part of a promotion.] I had been dealing with this old, clunky monitor that was outdared and ridiculously heavy. I needed an upgrade and I saw this LG UltraGear OLED specs that ticks all my boxes with high refresh rate and color accuracy I needed for both video work and technical design. First thing I noticed when I turned it on was how crystal clear everything looked. OLED just pops in a way my old monitor never did. I spend at least 3 hours a day on this thing sometimes more depending on the project. So, when I am working late nights editing videos or finishing up PCB layouts, it's easier on my eyes. Set-up was super smooth and took me less than 10 minutes from opening the box to running it. The base got easily snapped to monitor onto the stand and adjustable stand and plugged HDMI to my laptop and pretty sturdy and no wobbling. Coming from that old, heavy monitor to this felt like a massive upgrade instantly. Review submitted as part of a program that provides a purchase discount.
Date published: 2026-01-20
Rated 5 out of 5 by from Amazed at the vivid color and ease of setup! [This review was collected as part of a promotion.] I just set up the LG UltraGear OLED 27GX704A-B and I’m already obsessed. It came in only three pieces and was incredibly easy to assemble—just a few minutes and it was on my desk. The adjustability is amazing too; you can raise the height and tilt the screen to perfectly fit your space. The color is vivid, bright, and super crisp, with true blacks and beautiful contrast. I chose this monitor for its response time and how well it handles dark scenes, and it definitely delivered. I can’t wait to see how it performs for gaming when my husband tries it, but I’m excited to use it for video editing and movie nights too. It was packaged really well, and I’m so glad after all my research that we went with this one! Review submitted as part of a program that provides a purchase discount.
Date published: 2025-12-12
Rated 5 out of 5 by from Vivid [This review was collected as part of a promotion.] All I have to say about this monitor is just WOW! I had an LG 1440p 144hz nano IPS before and I got this as my main and its so much more vibrant! Amazing for gaming!
Date published: 2025-12-11
Rated 4 out of 5 by from Great monitor, but has one big flaw [This review was collected as part of a promotion.] This is a great monitor with a glorious glossy panel which makes the image clear compared to matte ones. It has a really big flaw though, which is an automatic brightness which cannot be disabled anywhere in the OSD. It bumps up the brightness when viewing bright content and dims when viewing dark content. It is very annoying and my eyes are very sensitive for such things. I have disabled Smart Energy Saving and Peak Brightness with no effect. I really hope that LG sees this and fixes with a Firmware Update. Please LG, I'd like to keep this monitor and don't have to deal with this auto brightness algorithm.
Date published: 2025-12-03
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