LG UltraGear 27-inch Glossy OLED Gaming Monitor – QHD 1440p 240Hz, 0.03ms, G-Sync Compatible (27GX704A-B)

Brand: LG

$524.99

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Delivery: dispatched from our warehouse in the USA. US: Express 1–3 or Standard 3–7 business days (USPS or FedEx). International: Express, Standard or Economy (DHL, FedEx or USPS). Rates are calculated at checkout by cart weight and destination. Print-on-demand items are printed to order before they ship.

Shipping is paid by the buyer. Shipping, US sales tax or estimated import duties are shown at checkout before you pay. Shipping Policy · 14-day returns

About this item

  • 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
  • Smart Energy Saving: Yes
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$524.99

US delivery: Standard 3–7 or Express 1–3 business days after dispatch. International options are shown at checkout. Shipping is paid by the buyer; the exact cost is shown at checkout before you pay.

In Stock

Ships fromCecil ACO
Sold byCecil ACO
Returns14-day returns from delivery
PaymentSecure transaction (Stripe)

Product information

Technical details

BrandLG

Additional information

Shipping weight9.89 kg
DepartmentComputers & Laptops › Monitors
Sold byCecil ACO
Date first availableNovember 12, 2026

Product description

LG 27 Inch UltraGear™ Glossy OLED QHD 1440p 240Hz 0.03ms G-Sync Compatible Gaming Monitor with HDMI (27GX704A-B): genuine, brand-new LG Electronics product, US model 27GX704A-B, sold on LG.com (United States).

Key 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

Specifications

Picture Quality

Color Depth (Number of Colors) 1.07B
Aspect Ratio 16:9
Brightness (Typical, Minimum) (Typ.) 275 cd/m (Min.) 250 cd/m
Color Gamut (Typ.) DCI-P3 98.5% (CIE1976)
Contrast Ratio 1500000:1 (Typ.)
Display Type OLED
Pixel Pitch (mm) 0.2292 x 0.2292
Refresh Rate 240Hz
Resolution 2560 x 1440
Response Time (GTG) 0.03ms (GtG)
Screen Size 26.5"
Viewing Angle 178Âş(R/L), 178Âş(U/D)

Special Features

AMD FreeSync Premium Pro Yes
NVIDIA G-Sync™ Compatible Yes
VESA Adaptive Sync Yes
VRR Yes
LG Switch Yes
Headphone 3-Pole Yes
Auto Input Switch Yes
Black Stabilizer Yes
Color Weakness Mode Yes
Crosshair Yes
Dual Controller Yes
Dynamic Action Sync Yes
Factory Calibration Yes
FPS Counter Yes
H/W Calibration (True Color Pro) Yes
HDR Effect Yes
HDR10 Yes
Live Color Low Blue Light Yes
Reader Mode Yes
Smart Energy Saving Yes
User Define Key Yes
VESA DisplayHDR™ DisplayHDR™ TRUE BLACK 400

Input/Output

USB Down-stream Yes (2ea/ver3.2 Gen1)
DisplayPort Yes
USB Up-stream Yes (1ea/ver3.2 Gen1)
DP Version 1.4
HDMI Yes
HDMI Version 2.1 Yes
Headphone Out Yes

Stand

Display Position Adjustments Height, Pivot, Swivel, Tilt
Wall Mount Size (mm) 100 x 100

Power

DC Off (Max) Less than 0.3W
Input 100~240V (50/60Hz)
Power Save/Sleep Mode (Max) Less than 0.5W
Type External Power(Adapter)

Dimensions/Weights

Shipping Dimensions (WxHxD) 26.5" Ă— 6.6" Ă— 20.8"
Shipping Weight 21.8 lbs
With Stand (WxHxD) 23.8" Ă— 21" Ă— 8.7" (Up) 23.8" Ă— 15.9" Ă— 8.7" (Down)
With Stand Weight 15.9 lbs
Without Stand (WxHxD) 23.8" Ă— 13.8" Ă— 1.8"
Without Stand Weight 10.6 lbs

Cabinet/Accessories

Display Port Cable Yes
HDMI Cable Yes
USB A to B Yes

Warranty

Limited Warranty 2 Year Parts and Labor
UPC 195174133026

Power and electrical

  • Smart Energy Saving: Yes

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