LG UltraGear 27-inch Glossy OLED Gaming Monitor – QHD 1440p 240Hz, 0.03ms, G-Sync Compatible (27GX704A-B)
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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
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 from | Cecil ACO |
|---|---|
| Sold by | Cecil ACO |
| Returns | 14-day returns from delivery |
| Payment | Secure transaction (Stripe) |
Product information
Technical details
| Brand | LG |
|---|
Additional information
| Shipping weight | 9.89 kg |
|---|---|
| Department | Computers & Laptops › Monitors |
| Sold by | Cecil ACO |
| Date first available | November 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
Shipping is calculated at checkout.





















