- Monitor
- Power Cable
- Display Port 2.1 Cable
- HDMI 2.1 Cable
LG 27GX790B-B 27-Inch Ultragear QHD (3440 x 1440) OLED Gaming Monitor Dual Mode
- Experience UltraGear's brightest and fastest OLED on a 27-inch QHD display
- Dual Mode refresh rate: switch between QHD at 540Hz or 720Hz HD speed
- 0.02ms (GtG) response time renders fast action with almost zero blur or ghosting
- DisplayPort 2.1 delivers massive bandwidth for sharper visuals and ultra-fast gameplay
- DisplayHDR True Black 500 delivers deep blacks, rich contrast, and stunning dark-scene detail
- Reduced screen stutter with NVIDIA G-SYNC compatibility AMD FreeSync Premium Pro
- Virtually borderless 27-inch OLED with adjustable screen and back lighting for a custom setup
The LG UltraGear 27GX790B-B is a 27-inch QHD OLED gaming monitor built for competitive players who demand speed, image quality, and flexible performance. Featuring LG's latest 4th Gen OLED technology, Dual Mode refresh rates up to 720Hz, and advanced gaming features, it delivers smooth gameplay with clear visuals and responsive performance.
4th Gen OLED with Enhanced Brightness
LG's latest Primary RGB Tandem OLED technology provides improved brightness, deeper contrast, and accurate colors. DisplayHDR True Black 500 and Perfect Black certification help reveal more detail in both bright and dark scenes.
Dual Mode for Speed or Resolution
Switch between QHD resolution at 540Hz for detailed visuals or HD at 720Hz for maximum speed. Dual Mode lets players choose the ideal setting depending on the game and play style.
Ultra-Fast 0.02ms Response Time
A virtually instantaneous 0.02ms GtG response time minimizes ghosting and motion blur. Fast-moving scenes remain clear for improved tracking and quicker reactions.
DisplayPort 2.1 and Flexible Connectivity
DisplayPort 2.1 supports extremely high refresh rates, while dual HDMI 2.1 ports make connecting gaming consoles simple. USB-C and multiple USB ports provide convenient connectivity for peripherals and accessories.
Smooth and Tear-Free Gameplay
NVIDIA G-SYNC Compatible and AMD FreeSync Premium Pro help reduce screen tearing and stuttering for smoother gaming with low latency.
Clear Motion with ClearMR 21000
VESA ClearMR 21000 certification delivers exceptional motion clarity, keeping fast action scenes sharp and easy to follow.
Gaming Features for Better Performance
Dynamic Action Sync reduces input lag, Black Stabilizer improves visibility in dark areas, Crosshair assists aiming accuracy, and the FPS Counter displays frame rates in real time.
Immersive Audio Support
The 4-pole headphone jack supports both audio and microphone connections through a single cable, while DTS Headphone:X provides virtual 3D audio for more immersive gameplay.
Adjustable and Borderless Design
The four-sided, virtually borderless display creates a clean setup, while height, tilt, swivel, and pivot adjustments allow comfortable positioning for different gaming styles.
OLED Protection and Long-Term Reliability
Built-in OLED Care tools help maintain panel performance, while the included 2-year limited warranty provides additional peace of mind.
Picture Quality
| Color Depth (Number of Colors) | 1.07B |
| Aspect Ratio | 16:9 |
| Brightness (Typical, Minimum) | (Typ.) 335 cd/m² (Min.) 300 cd/m² |
| Color Gamut (Typ.) | DCI-P3 99.5% (CIE1976) |
| Contrast Ratio | 1500000:1 |
| Display Type | OLED |
| Pixel Pitch (mm) | 0.2292 x 0.2292 |
| Refresh Rate | 540Hz |
| Resolution | 2560 x 1440 |
| Response Time (GTG) | 0.02ms (GtG) |
| Screen Size | 26.5 in |
| Viewing Angle | 178º(R/L), 178º(U/D) |
Special Features
| RGB LED Lighting | Unity Hexagon Lighting |
| AMD FreeSync Premium Pro | Yes |
| NVIDIA G-Sync Compatible | Yes |
| DTS Headphone | X: Yes |
| VESA Adaptive Sync | Yes |
| Headphone 4-Pole (Sound+Mic) | Yes |
| VRR | Yes |
| LG Switch | 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-Defined Key | Yes |
| VESA DisplayHDR | DisplayHDR True Black 500 |
Input/Output
| USB Down-stream | Yes (2ea/ver3.0) |
| DisplayPort | Yes x 1 |
| USB Up-stream | Yes (via USB-C) |
| DP Version | 2.1 |
| USB Type-C | Yes x 1 |
| HDMI | Yes x 2 |
| HDMI Version 2.1 | Yes |
| Headphone Out | Yes |
| USB-C (Data Transmission) | Yes |
Stand
| Display Position Adjustments | Tilt/Height/Swivel/Pivot |
| Wall Mount Size (mm) | 100 x 100 |
Power
| DC Off (Max) | Less than 0.5W |
| Input | 100~240V (50/60Hz) |
| Power Save/Sleep Mode (Max) | Less than 0.5W |
| Type | External Power(Adapter) |
Dimensions/Weights
| Shipping Dimensions (WxHxD) | 31.1 in × 7.2 in × 19.5 in |
| Shipping Weight | 21.6 lbs |
| With Stand (WxHxD) | 23.8 in × 20.8 in × 8.7 in (Up) 23.8 in × 15.7 in × 8.7 in (Down) |
| With Stand Weight | 15 lbs |
| Without Stand (WxHxD) | 23.8 in × 13.8 in × 2.0 in |
| Without Stand Weight | 9.5 lbs |
Starting at $55.50/mo
Estimated over 18 months with Affirm, subject to eligibility and approval.
Flexible payment options available
Interest-free installments and monthly financing may be available through Shop Pay on eligible purchases.
Starting at $249.75
No interest if paid in full by the promotional terms. Minimum monthly payments required and subject to credit approval.
Free Standard Shipping
Orders of $25 or more qualify for free standard shipping on eligible items.
Most in-stock orders placed before 1 PM EST Monday–Thursday ship the same business day. View Shipping Policy
Free Local Pickup
Please call for store stock availability. Requests made before 2:30 PM EST can be available for next-day pickup. Learn more
Frequently Asked Questions
How do I return an item?
How do I return an item?
Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.
Will I receive a full refund when I return an item?
Will I receive a full refund when I return an item?
You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.
How many days do I have to make a return?
How many days do I have to make a return?
You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days.
My item was damaged in transit. How do I place a return?
My item was damaged in transit. How do I place a return?
If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage.
There’s an issue with my order, what should I do?
There’s an issue with my order, what should I do?
Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.
Can I exchange an item?
Can I exchange an item?
We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.
If I ordered a kit, do I have to return all the items?
If I ordered a kit, do I have to return all the items?
If you ordered a kit, you must return all components and accessories to receive a full refund.
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.
Do you offer repairs?
Do you offer repairs?
We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.
What is your return policy?
What is your return policy?
Most items can be returned within 30 days for a full refund. Click here to read our full return policy.
