LG UltraGear 27 Inch OLED QHD Gaming Monitor (27GX790A-B)

(Inc. of all taxes)

SKU / Model No:

27GX790A-B

Category:

LG, Monitor

Estimated Delivery: Fri, 26 Jun - Mon, 29 Jun 2026

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LG UltraGear 27 Inch OLED QHD Gaming Monitor

Key Features

27 (68.58 cm) QHD (2560×1440) OLED display
DisplayHDR True Black 400 / 1.5M:1 contrast ratio
OLED with 480Hz refresh rate
0.03ms (GtG) response time
NVIDIA® G-SYNC® Compatible / VESA Certified AdaptiveSync / AMD FreeSync™ Premium Pro
Hexagon lighting design with space-saving L stand

Display
Size (inch)	26.5
Aspect Ratio	16:09
Panel Type	OLED
Resolution	2560 x 1440
Pixel Pitch (mm)	0.2292 x 0.2292 mm
Color Depth (Number of Colors)	1.07B
Viewing Angle (CR≥10)	178º(R/L), 178º(U/D)
Brightness (Typ.) [cd/m²]	275 cd/sq.m (275 nit)
Refresh Rate (Max.) [Hz]	480
Contrast Ratio (Typ.)	1500000:1
Response Time	0.03ms (GTG)
Color Gamut (Typ.)	DCI-P3 98.5% (CIE1976)
Color Gamut (min.)	DCI-P3 94.0% (CIE1976)
Size [cm]	67.3
Brightness (Min.) [cd/m²]	250 cd/sq.m (250 nit)
Contrast Ratio (Min.)	1200000:1
Connectivity
HDMI	YES(2ea)
Display Port	YES(1ea)
USB Downstream Port	YES(2ea/ver3.0)
USB Upstream Port	YES(1ea/ver3.0)
Headphone out	4-pole (Sound+Mic)
DP Version	2.1
Features
HDR 10	Yes
AMD FreeSync™	FreeSync Premium Pro
Auto Input Switch	Yes
Black Stabilizer	Yes
Color Weakness	Yes
Smart Energy Saving	Yes
Dynamic Action Sync	Yes
HW Calibration	HW Calibration Ready
Color Calibrated in Factory	Yes
Crosshair	Yes
FPS Counter	Yes
HDR Effect	Yes
NVIDIA G-Sync™	G-Sync Compatible
Reader Mode	Yes
RGB LED Lighting	Hexagon Lighting
User Defined Key	Yes
VESA DisplayHDR™	DisplayHDR™ TRUE BLACK 400
VRR	Yes
Mechanical
Display Position Adjustments	Tilt/Height/Swivel/Pivot
Wall Mountable [mm]	100 x 100 mm
Dimensions / Weight
Dimension in Shiping (W x H x D) [mm]	820x183x532
Dimension with Stand (W x H x D) [mm]	605.2×579.3×249.1(up)/605.2×469.3×249.1(Down)
Dimension without Stand (W x H x D) [mm]	605.2×351.0x45.3
Weight in Shipping [kg]	12.5
Weight with Stand [kg]	9.3
Weight without Stand [kg]	5.1
SW Application
Dual Controller	Yes
LG Calibration Studio (True Color Pro)	Yes
Power
Power Consumption (DC Off)	Less than 0.3 W
Power Consumption (Sleep Mode)	Less than 0.5 W
AC Input	100~240V (50/60Hz)
Type	External Power(Adapter)
Power Consumption (On-Mode)	48.22W
Power Consumption (On-Mode) (ErP)	25W
Accessory
HDMI	YES(2ea)
Display Port	YES (ver 2.1)
USB A to B	Yes
Warranty	2 Years
Note**	**Prices, Specifications & Features are subject to change without notice