LG Monitor 27G850A-B IPS Black 27" 3840x2160 16:9 1ms 240Hz DisplayPort/HDMI/USB Retail
Status: Available
SKU: 298111
Vendor: LG Electronics
MPN: 27G850A-B
UPC: 195174110126
EAN:
27" UltraGear™ Nano IPS Black 4K UHD 240Hz or FHD 480Hz 1ms G-sync Compatible DisplayPort 2.1 Gaming Monitor
Key features
• 4K Nano IPS Black: Stunning clarity, vibrant color, and true HDR brilliance
• Dual Mode: 27 IPS Gaming in Stunning UHD at 240Hz or faster 480Hz in Full HD
• 1ms (GtG) Response Time minimizes ghosting for sharp precise gaming
• DisplayPort 2.1 bandwidth ensures ultra-smooth, fluid motion at higher refresh ratesnote1
• Smooth gaming, reduced screen tearing and stutter with NVIDIA® G-SYNC® compatibilitynote2
• Vivid color in UHD with Nano IPS Black, up to 99% color gamut and HDR600
Next-Level Gaming with 4K UHD & Nano IPS Black
Unleash next-gen gaming with the UltraGear's irst Nano IPS Black monitor. Play in razor-sharp 4K UHD at 240Hz or switch to blistering 480Hz in Full HD. With 1ms GtG response and DisplayPort 2.1, every frame is pure speed, precision, and power.
4K UHD: Nano IPS Black and HDR 600 deliver phenomenal visuals
Dive into 4K UHD with Nano IPS Black and HDR600 for visuals that captivate. With up to 99% DCI-P3 color and deeper blacks, every scene comes alive with stunning clarity and contrast—elevating your gaming to new levels of excitement.

Note 1: PLEASE NOTE: NVIDIA has released the GeForce Hotfix Display Driver 576.26 (April 28, 2025) to resolve screen blackouts when connecting to DisplayPort 2.1 on NVIDIA RTX 50 Series GPUs. NVIDIA GPU users should download and install the latest display driver before connecting a DP2.1 monitor. Graphics card that supports DisplayPort 1.4 or HDMI 2.1 are required to achieve up to 240Hz refresh rate support. Graphics card sold separately.
Note 2: NVIDIA® 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.
Picture Quality
Aspect Ratio
16:9
Brightness (Typical, Minimum)
(Typ.) 450 cd/m2 (Min.) 360 cd/m2
Color Depth (Number of Colors)
1.07
Color Gamut (Typ.)
DCI-P3 99% (CIE1976)
Contrast Ratio
2000:1 (Typ.)
Display Type
IPS Black
Pixel Pitch (mm)
0.1554x0.1554
Refresh Rate
240Hz(at UHD) / 480Hz(at FHD)
Resolution
3840 x 2160
Response Time (GTG)
1ms (GtG at Faster)
Screen Size
27"
Viewing Angle
178o(R/L), 178o(U/D)
Special Features
RGB LED Lighting
Unity Hexagon Lighting
AMD FreeSync
Yes
VESA Adaptive Sync
Yes
LG Switch
Yes
Auto Input Switch
Yes
Black Stabilizer
Yes
Color Calibrated
Yes
Color Weakness Mode
Yes
Crosshair
Yes
Dual Controller
Yes
Dynamic Action Sync
Yes
Flicker Safe
Yes
FPS Counter
Yes
HDR Effect
Yes
HDR10
Yes
Live Color Low Blue Light
Yes
Nano IPSTM Technology
Yes
NVIDIA G-SyncTM
Yes
Reader Mode
Yes
Smart Energy Saving
Yes
User Define Key
Yes
VESA DisplayHDRTM
DisplayHDRTM 600