A premium large‑format 420 mm all‑in‑one liquid CPU cooler with sealed water loop, triple‑fan radiator, and iCUE‑controlled RGB + performance tuning — built for high‑end gaming PCs, workstations, and overclocked systems needing maximum cooling headroom and customization.

420 mm Radiator + 3 (or more) 140 mm / High‑Airflow Fans - Large radiator and high‑airflow fans combine to provide extensive surface area and airflow for superior heat dissipation — ideal for high‑TDP CPUs under heavy load or sustained workloads.

Sealed Cooling Loop & High‑Efficiency Cold Plate - Pre‑filled, sealed water loop with optimized cold plate and pump ensures efficient coolant circulation and effective heat transfer — delivering stable temperatures even during overclocking or intensive tasks.

iCUE Control: RGB + Fan/Pump Tuning & Monitoring - Through Corsair iCUE software you can fully customize RGB lighting, control fan and pump speeds, monitor temperatures, and adjust performance/noise balance to suit workload or preference.

Broad Socket Support & Maximum Thermal Headroom - Supports mainstream Intel and AMD CPU sockets (check compatibility list for your board). The 420 mm radiator with high‑capacity cooling is well‑suited for high‑end or overclocked CPUs, gaming rigs, and workstation builds.