Cooler Master | MasterLiquid Oasis | L240-B 240mm | ARGB Liquid CPU Cooler | High Performance AIO Cooling

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