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Overview

Experience lightning-fast gaming with the LG UltraGear 27GX790A-B 27-inch QHD OLED monitor, designed for smooth, immersive play and vibrant visuals. With a 480Hz refresh rate and 0.03ms response time, it keeps up with your fastest moves so you stay ahead in every match. Micro Lens Array+ delivers clear, bright images even in intense scenes.
  • 27 in. QHD OLED display with 480Hz refresh for ultra-smooth gaming
  • Micro Lens Array+ boosts peak brightness for vivid HDR visuals
This description was generated by AI and reviewed for accuracy.
Open Box

Open Box - LG UltraGear 27" 1440p QHD OLED Gaming Monitor (27GX790A-B) - G-Sync/FreeSync Premium Pro - 0.03ms GTG - 480Hz - Purple Grey

Model: 27GX790A-B
Web Code: 19207125
Sold and shipped by | 4.4 seller rating (262 reviews)

Available for deliveryAvailable online only

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Seller Return Policy

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Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What's included:

  • Power Adapter with 1.5m Cord
  • HDMI 2.1 Cable (1.8m)
  • 1.8m Display Port Cable
  • 1.8m USB A-to-B Cable
What you need to know
  • 27 in. screen with QHD (2560 x 1440) native resolution for sharp visuals
  • OLED panel provides wide viewing angles and constant, brilliant colour
  • 480Hz max refresh rate keeps motion smooth and clear for gaming
  • G-SYNC, FreeSync Premium Pro, AdaptiveSync reduce screen tearing and stutter
  • Micro Lens Array+ tech and DisplayHDR True Black 400 for deeper blacks and up to 1,300 nits brightness
Screen & Picture
  • 27 in. QHD (2560 x 1440) OLED panel delivers immersive visuals with fine detail
  • 16:9 aspect ratio and wide 178-degree viewing angle for consistent picture from nearly any position
  • Micro Lens Array+ and ClearMR 21000 certification optimize brightness and clarity for gaming
  • DisplayHDR True Black 400 creates deep blacks and stunning contrast up to 1,300 nits
  • LG WOLED panel is UL certified for low blue light platinum, maintaining lifelike colour for comfortable gaming
  • Matte anti-glare, low reflection screen helps prevent distractions in bright settings
  • Personalized picture wizard lets you tune visuals to your taste, so games and videos look just right
  • DCI-P3 98.5% colour space coverage shows vivid colour across supported content
Motion & Gaming
  • 480Hz refresh rate paired with 0.03ms grey-to-grey response time for ultra-smooth, responsive gaming
  • AdaptiveSync, NVIDIA G-SYNC, and AMD FreeSync Premium Pro help keep gameplay seamless by reducing tearing and stutter
  • Customizable Gaming GUI and OLED settings through the LG Switch app let you fine-tune your gaming display for bright, clear images
Stand, Mounting & Dimensions
  • Adjustable stand allows you to tilt, swivel, raise, lower, or pivot the monitor for optimal setup
  • Space-saving L stand design fits into your gaming space without wasted room
  • Supports 100mm x 100mm VESA mounting for flexible wall or arm installation
Connections
  • One DisplayPort 2.1, two HDMI 2.1 FRL and HDCP 2.3, one USB 3.0 upstream, two USB 3.0 downstream, and headphone/mic port offer versatile ways to connect your devices
This description was generated by AI and reviewed for accuracy.

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Information about the manufacturer’s availability guarantee can be found .

Shipping Charges

Free standard shipping on all orders.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Monitors
Return/Exchange Period
30 days
Condition
Opened

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