Functioning. It is missing the silicon insulation paste. The Thermalright FI360 WHITE water-cooled heat sink is a high-quality product designed for industrial automation and motion control systems. Made by the reputable brand Thermalright in China, this heat sink is specifically designed for PLC processors and offers quick delivery. While missing some silicon components, it still provides thermal management for efficient cooling and improved system performance. The water-cooled design ensures superior cooling efficiency compared to traditional air-cooled heat sinks, making it a reliable choice for businesses and industrial applications.