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  • LG UltraGear 27" V OLED QHD Dual-Mode DP 2.1 2560x1440 540Hz-720Hz
  • LG UltraGear™ OLED
  • LG UltraGear OLED digital trends READERS' CHOICE 2025
  • LG UltraGear™ OLED UltraGear's Brightest OLED Gaming Monitor Primary RGB Tandem Technology OLED *The images simulated. *As of November 2025, among all LG models using WOLED prior to 4th Gen. OLED, 27GX790B offers the highest brightness.
  • LG UltraGear™ OLED Outrageous OLED Gaming Speed UltraGear's First Primary RGB Tandem Technology OLED 540Hz QHD *Actual refresh rates may vary depending on computer graphics specifications and configurations.
  • LG UltraGear™ OLED Dual Mode Refresh Rates 540Hz QHD for Detail 720Hz HD for Speed *Actual refresh rates may vary depending on computer graphics specifications and configurations. *Graphics card available separately.
  • LG UltraGear™ OLED Virtually Instantaneous Response Time 0.02 ms GtG
  • LG UltraGear™ OLED DisplayPort 2.1 Delivers Next-Gen Gaming Speed *Graphics card that supports DisplayPort 1.4 or HDMI 2.1 are required to achieve up to 280Hz refresh rate support. *Graphics card sold separately.
  • LG UltraGear™ OLED Stunning OLED Picture Up to 99.5% DCI-PC, 1.5M:1 Contrast Ratio, HDR TrueBlack 500 VESA CERTIFIED DisplayHDR 500 *The images simulated.
  • LG UltraGear OLED NVIDIA® G-SYNC® Compatible & AMD FreeSync™ Premium Pro Disabled Enabled *NVIDIA® G-SYNC® Compatible supports variable refresh rate on GeForce GTX 10 Series and higher GPUs on Display Port, and GeForce RTX 30 Series and higher GPUs on HDMI 2.1.
  • LG UltraGear™ OLED UL-verified for a "perfect" Visual Experience Perfect Black technology delivers black levels to 0.24nit up to 500lux Perfect Color technology delivers color consistency to 500lux Perfect Reproduction technology delivers content coverage to 500lux *This LG OLED panel has been certified with "Perfect Black", "Perfect Color with 100% Color Fidelity" and "Perfect Reproduction". Certificate Number: - Perfect Black (OLED) - V183632 - Perfect Color - V569367 - Perfect Reproduction - V756760 by UL. www.intertek.com 4th Gen OLED non-WOLED**
  • LG UltraGear™ OLED Five UL Certifications. One Clear Advantage for Eye Comfort. non-applied applied UL Flicker-Free UL Discomfort Glare Free UL Low Blue Light Platinum eyesafe® CPF60 eyesafe® RPF40
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  • LG UltraGear™ OLED
  • Alt View 14. LG - UltraGear 27" OLED Dual Mode (QHD 540Hz, HD 720Hz) 0.02ms G-SYNC Compatible, AMD FreeSync Premium Pro Gaming Monitor - Black.
  • Alt View 15. LG - UltraGear 27" OLED Dual Mode (QHD 540Hz, HD 720Hz) 0.02ms G-SYNC Compatible, AMD FreeSync Premium Pro Gaming Monitor - Black.
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LG - UltraGear 27" OLED Dual Mode (QHD 540Hz, HD 720Hz) 0.02ms G-SYNC Compatible, AMD FreeSync Premium Pro Gaming Monitor - Black

Model:
27GX790B-B
SKU:
6669264
$799.99
Save $200
The comparable value is $999.99
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  • QuestionWhat is the typical brightness of this OLED gaming monitor?

    • Answer The typical brightness of this OLED gaming monitor is 335 candela per square meter.
    This question and answer was generated by AI based on customer and product data.

  • QuestionDoes this monitor support wall mounting?

    • Answer Yes, this monitor supports wall mounting.
    This question and answer was generated by AI based on customer and product data.

  • QuestionHow many HDMI ports does this monitor have?

    • Answer This monitor has two HDMI ports.
    This question and answer was generated by AI based on customer and product data.

  • QuestionWhat is the response time of this gaming monitor?

    • Answer The gaming monitor has a 0.02ms response time.
    This question and answer was generated by AI based on customer and product data.

  • QuestionAre the height of the stand adjustable?

    • Answer Yes, the stand height is adjustable.
    This question and answer was generated by AI based on customer and product data.

  • QuestionDoes this monitor have G-SYNC compatibility?

    • Answer Yes, this monitor is NVIDIA G-SYNC compatible.
    This question and answer was generated by AI based on customer and product data.

  • QuestionWhat is the maximum refresh rate in HD mode?

    • Answer The maximum refresh rate in HD mode is 720Hz.
    This question and answer was generated by AI based on customer and product data.

  • QuestionWhen can i buy this at Best buy. I really need a monitor now

    Asked by GeraldC.

    • Answer Hello there, Lotus. Thank you for sharing your question with us. We understand your inquiry regarding the availability of the 27GX790B-B at Best Buy. Because our authorized retailers manage their own individual inventory levels, restock schedules, and shipping timelines, the best way to get a precise date for when they will have this unit ready for purchase is to contact Best Buy directly or monitor their official website for real-time updates. They will be best equipped to provide you with specific information regarding in-store pickup or delivery options for your specific location. https://www.bestbuy.com/product/lg-ultragear-27-oled-dual-mode-qhd-540hz-hd-720hz-0-02ms-g-sync-compatible-amd-freesync-premium-pro-gaming-monitor-black/JJ8VPZKKG3 If you have any further questions about its features or specifications, please contact us on [email protected], and our team will be more than happy to assist you. —Renzo

      Answered by LG Digital Customer Care

  • QuestionCan I please get this monitor for free?

    Asked by Gooner6767.

    • Answer Hi there. Thank you for sharing your question with us. We understand your inquiry regarding obtaining the 27GX790B-B monitor. Since this request pertains to product acquisition or potential promotional offers through our authorized retailer, Best Buy, we recommend contacting their customer service team directly for information regarding their specific pricing, availability, or any current store-wide promotions. https://www.bestbuy.com/product/lg-ultragear-27-oled-dual-mode-qhd-540hz-hd-720hz-0-02ms-g-sync-compatible-amd-freesync-premium-pro-gaming-monitor-black/JJ8VPZKKG3 If you have any further questions about its features or technical specifications, please contact us on [email protected], and our team will be more than happy to assist you. —Renzo

      Answered by LG Digital Customer Care

  • QuestionDoes this monitor have a glossy screen?

    Asked by Bill.

    • Answer The LG 27-inch UltraGear™ OLED Dual Mode QHD 540Hz or HD 720Hz 0.02ms G-Sync® Compatible DisplayPort 2.1 Gaming Monitor, Model # 27GX790B-B, has a matte anti-glare screen coating. This surface is designed to minimize reflections in bright rooms...^Ivan.

      Answered by LG Digital Customer Care

  • Questioncan you all price match this monitor is currently $719 from LG

    Asked by jdiz.

    • Answer Best Buy's Price Match Guarantee Qualified Competitors are: Abt, Amazon, Apple, B&H Photo Video, BJ’s Wholesale Club, BrandsMart USA, Costco, Crutchfield, Dick’s Sporting Goods, Home Depot, Lowe’s, Menards, Microcenter, Nebraska Furniture Mart, P.C. Richard, RC Willey, Sam’s Club, Target, and Walmart. Please note that the Best Buy Price Match Guarantee does not apply to products shipped from and sold by third-party Marketplace Sellers on these websites. The monitor is currently priced for the same $799.99 on the LG website, not $719. Best Buy generally price matches major competitors for identical, immediately available new items, but rarely matches exclusive, hidden, or "partner store" pricing from LG...^Ivan.

      Answered by LG Digital Customer Care

  • QuestionWhen will this monitor be available?

    Asked by Ferocious.

    • Answer The LG - UltraGear™ 27" OLED Dual Mode (QHD 540Hz, HD 720Hz) 0.02ms G-SYNC Compatible, AMD FreeSync™ Premium Pro Gaming Monitor - Black, Model # 27GX790B-B, was announced in early January 2026, with pre-orders opening around January 6, 2026, and a planned release shortly after. It is currently available through Best Buy, unless they are out of stock on the monitor...^Ivan.

      Answered by LG Digital Customer Care

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