Cooler Master Seidon 120XL

A 120mm AIO liquid cooler rated to dissipate 250W. That rating covers flagship parts like a 14900K or 9950X under sustained load. Noise is specced at 19 dBA; socket support includes AM5, AM4, LGA1700. Confirm your case has a 120mm mount before checkout.

Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. Support and warranty service run through Cooler Master, with terms that vary by region. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build. The category page surfaces comparable models near the same price, which makes shortlisting against this CPU cooler straightforward.