The NZXT Kraken 120 RGB (RL-KR120-B1) is a compact 120mm all-in-one (AIO) liquid CPU cooler designed for budget-conscious or space-limited PC builds.Key SpecificationsRadiator Size: 152.00 x 120.00 x 32.00 mm (Aluminum)Fan: One 120mm Aer P PWM fan with fluid dynamic bearings (500–2,000 RPM, 18.28–73.11 CFM airflow, 21–36 dBA noise level)Block Material: CopperTubing: Ultra-low evaporation rubber reinforced with fine nylon braided sleevesSocket Compatibility: Intel (LGA 1851, 1700, 1200, 115x) and AMD (AM5, AM4, and older sockets).Features & PerformanceLighting: Features a lighted pump cap with individually addressable RGB LEDs (9 bright LEDs) for the NZXT logo and surrounding ring, controllable via NZXT CAM.Design: Improved low-noise pump chamber compared to older entry-level models like the Kraken M22.Cooling Capacity: Best suited for mid-range processors (such as i3, i5, Ryzen 3, and Ryzen 5) running at stock speeds, though community consensus on platforms like Reddit suggests larger 240mm AIOs or tower air coolers offer better thermal value for high-end modern CPUs.USED.Someone local to me upgraded some parts in their pc system and was getting rid of these. I don't know anything about it. It'll come with some extra accessories from a Peerless Assassin 120 SE.If there are any problems, please message me first and I will get it taken care of promptly.