LM270WR9-SSA1 (also known as: LM270WR9 (SS)(A1)) is a 27.0-inch LCD module developed by LG Display Co., Ltd. utilizing a-Si TFT-LCD technology. It incorporates a WLED backlight without a backlight driver and does not support touch functionality. According to version Ver0.7 of the product specification released by LG Display on July 13, 2021, LM270WR9-SSA1 features a display resolution of 3840(RGB)×2160 (UHD) with an aspect ratio of 16:9 (width:height). The pixel arrangement follows a vertical stripe RGB layout. The active area dimensions are 596.736×335.664 mm (width×height), while the overall module dimensions measure 608.8×349.4×15.3 mm (width×height×thickness). The surface treatment includes an anti-glare finish (Haze 25%) with hard coating (3H hardness), and the net weight of the product is 2.45/2.57 kg (Typ./Max.).For backlighting, this product employs an edge-lit WLED light source with a 19S4P configuration, offering a lifespan of 30,000 hours. It does not include a backlight driver. LM270WR9-SSA1 utilizes an eDP (4 Lanes) signal interface with a total of 30 pins connected via terminals. The typical driving voltage for the screen is 10V. Its typical vertical refresh rate (Fv) is 60Hz.