Average score products . LG Ultra Gear 27GL850-B is the powerful gaming display gear with high performance features to take your gaming to the next level. Find helpful customer reviews and review ratings for LG 27GL850-B 27 Inch Ultragear QHD Nano IPS 1ms NVIDIA G-Sync Compatible Gaming Monitor at Amazon.com. REVIEW. Rate product. Update: The 27GL850 is finally in stock in the UK at its RRP of £399, so grab it while stock lasts!. The device's operation using a button that resembles a joystick is pleasant and intuitive.The reaction speed of 1 ms, which enables a smooth image transmission, should be emphasized.In addition, the screen is the only one of all tested products that can be rotated by 90°. 1ms Response Time (GTG) helps increase precision and accuracy, allowing gamers to play at a higher level. Pseudonym. The 27GL850-B supports a DCI-P3 98% colour space that offers rich colour reproduction. Read … 4.7 Out of 5 points . Resumee. Review content. The UltraGear Gaming Monitor 27GL850-B from LG Electronics makes a high-quality manufactured impression.