LG has announced the 32GX870B-B, a 31.5-inch 4K resolution gaming monitor featuring the latest OLED panel (tandem OLED). Pre-orders will be accepted from Friday, May 1, 2026 to Wednesday, June 10, 2026, and general sales will begin on Thursday, June 11, 2026.
LG's 31.5-inch 4K tandem OLED gaming monitor "32GX870B-B" is now available for pre-order!
The "32GX870B-B" is a 31.5-inch 4K resolution (3,840 x 2,160) gaming monitor that uses the latest OLED panel " Tandem OLED ". The four-layer structure, which previously had three emission layers, has been evolved to maintain the outstanding black reproduction that is possible only with OLED, while achieving both high brightness and improved color reproducibility. Brightness reaches 335cd/m2 at standard value and 1,500cd/m2 at APL1.5%, covering 99.5% of "DCI-P3" (standard value).
VESA Dual Mode" support
VESA Dual Mode" is supported to switch between 4K (3,840 x 2,160) / 240Hz and Full HD (1920 x 1080) / 480Hz modes. Games with beautiful graphics such as RPGs and MMOs can be played at 4K/240Hz, while FPS and action games that require high-speed display can be enjoyed at Full HD/480Hz.
The screen size can be switched to 27" or 24.5" for Full HD display, allowing you to play FPS games in the most suitable size. The response time is 0.03ms (GTG), providing a clear image even in scenes of intense motion.
Three AI functions
The following three AI functions are provided to improve video and audio performance.
- AI Upscaling: The built-in processor upscales low-resolution content to 5K2K resolution in real time.
- AI Sound: Optimizes sound to match the content, making footsteps and other sound effects clearer.
- AI Scene Optimization: AI recognizes the displayed content and automatically adjusts key image settings to optimize the display
USB Type-C port supporting up to 90W
Supports AMD FreeSync Premium Pro technology and NVIDIA G-SYNC Compatible to reduce tearing and stuttering. USB Type-C (USB PD up to 90W) is provided for display connection, power supply, and data transfer with a single cable.
Built-in 7W+7W stereo speakers with AI Sound function turned on for an immersive sound experience. It also supports 4-pole headphone output. Other features to support game play include "OLED Care" to prevent burn-in and "Live Color Low Blue Light" to suppress blue light without color change.
The price on the official LG online store is 229,800 yen (including tax). For details, please visit the 32GX870B-B product page.
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【26％OFF予約販売中】タンデムOLED 4Kゲーミングモニター新登場🎉
＼タンデムOLED 4Kゲーミングモニター LG UltraGear™ AI 32GX870B-B（GX8）
LG公式オンラインショップでの購入なら、購入後の製品登録で保証期間 最長5年に延長 ✨
🔽詳細https://t.co/JsE90UEgG4 pic.twitter.com/6GMVkoKTAP
— LGエレクトロニクス・ジャパン公式 (@lg_jpn) May 1, 2026
| Product Outline | |
|---|---|
| Product name | 32GX870B-B |
| Screen size | 31.5 inches |
| Maximum Resolution | 3,840 x 2,160 (4K) |
| Aspect Ratio | 16:9 |
| Panel type | OLED (Tandem OLED) |
| Refresh Rate | 4K / 240Hz, Full HD / 480Hz |
| Contrast Ratio | 1,850,000:1 |
| Brightness | Up to 1,500cd/m2 (APL 1.5%) |
| Interface | DisplayPort 2.1 x 1, HDMI x 2, USB Type-C (USB PD max. 90W) x 1, Headphone output x 1 |
| Size (with stand attached) | 714 x 511 - 621 x 250mm |
| Weight (with stand) | 9.8kg |
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