Cooler Master | MasterLiquid Oasis | L240-B 240mm | ARGB Liquid CPU Cooler | High Performance AIO Cooling
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Keep your CPU running cool under pressure with the Cooler Master MasterLiquid Oasis L240-B, a premium 240mm all-in-one (AIO) liquid cooler designed for high-performance gaming and workstation builds.
Featuring a dual 120mm ARGB radiator fan setup, this cooler delivers efficient heat dissipation while maintaining low noise levels. The optimized pump design ensures strong, stable coolant flow for consistent thermal performance, even during heavy workloads or overclocking.
With addressable RGB lighting, the Oasis L240-B adds a premium aesthetic to your build, fully customizable to match your setup. The durable tubing and high-quality radiator construction ensure long-lasting reliability and smooth operation.
Ideal for modern Intel and AMD processors, this AIO cooler combines performance, style, and reliability in one compact cooling solution.
Key Features
240mm all-in-one liquid CPU cooler
Dual 120mm ARGB fans for high airflow & lighting effects
Efficient low-noise pump design
Optimized radiator for superior heat dissipation
Addressable RGB lighting (sync compatible)
Compatible with Intel & AMD platforms
Durable sleeved tubing for long life
Ideal for gaming and high-performance workloads
What’s in the Box
Cooler Master MasterLiquid Oasis L240-B CPU Cooler Unit
240mm Radiator with Pre-installed Fans
Pump/CPU Block Assembly
Mounting Kit (Intel & AMD brackets)
Thermal Paste (pre-applied or included tube depending on batch)
ARGB Controller (if included in bundle version)
User Installation Manual
Warranty
Manufacturer Warranty: 2 Year Limited Warranty
Covers manufacturing defects and hardware failures under normal use
Does not cover improper installation, physical damage, or modification
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