ProArt LC 420 Features: Noctua NF-A14 industrialPPC-2000 PWM 140mm radiator fans deliver high airflow with minimal noise Performance three-phase motor offers excellent cooling capability and quieter operation Illuminated meter indicates the live system load, temperatures and fan speeds 450 mm of reinforced sleeved tubing offers durability, flexibility and chassis compatibility Thicker radiator with larger coolant storage to deliver enhanced cooling performance Minimalist design perfectly complements the aesthetics of the ProArt-family components. Specifications: Water Block Water block dimention:78 x 78 x 49 mm Block Material (CPU Plate):Copper Radiator Radiator Dimension: 456 x 140 x 30 mm Radiator Material: Aluminum Tube: Sleeved Rubber tube Tube Length: 450 mm Fan Fan:Noctua NF-A14 IndustrialPPC 2000 PWM Fan Size: 3 x Fan Slots (140mm) Dimension:140 x 140 x 25 mm Speed: 800 - 2000 RPM +/- 10% Static Pressure:4.18 mmH2O Air Flow: 107 CFM / 182.5 m3/h Noise: 31.5 dB(A) Control Mode: PWM/ DC Compatibility AMD: AM5,AM4 Intel: LGA 1851, 1700, 1200, 115x Package Content 1 x CPU Liquid Cooler (pre-applied thermal compound) 1 x 1-to-3 Fan Splitter Cable 1 x Accessory Pack of Screws and Brackets 1 x Quick Start Guide Warranty 6 years