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The LG UltraGear™ 27" OLED QHD 480Hz 0.03ms NVIDIA G-SYNC, AMD Freesync™ Premium Pro Gaming Monitor (HDMI x 2, DisplayPort, USB) - Black, Model # 27GX790A-B, does NOT use LG's Tandem OLED panel. It was released before LG Display launched its first consumer gaming monitors using Tandem OLED technology. It uses conventional single-stack WOLED technology combined with Micro Lens Array+ (MLA+) for increased brightness. The Tandem technology, designed for higher brightness, is featured in the newer LG 27GX700A-B (280Hz) and LG 27GX790B-B (540Hz/720Hz) models...^Ivan.
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