Thermalright Assassin X 120 Refined SE White ARGB CPU Air Cooler

For system builders assembling a white-themed gaming PC or a clean workstation, the Thermalright Assassin X 120 Refined SE White ARGB delivers reliable cooling with a touch of style. Its single-tower heatsink and 120mm ARGB fan keep mainstream processors in check without excessive noise, while the white finish and addressable lighting add a polished look to any build.

Key specifications

• CPU socket compatibility: Intel LGA1700, LGA1200, LGA115X; AMD AM5, AM4
• Heatsink: aluminum fins, 4 x 6mm AGHP heat pipes, copper base
• Fan: 120mm TL-C12CW-S, S-FDB bearing, 4-pin PWM
• Fan speed: 600–1550 RPM ±10%
• Max airflow: 66.17 CFM
• Max static pressure: 1.53 mmH2O
• Noise level: up to 25.6 dBA
• Dimensions (L x W x H): 120 x 71 x 154 mm
• Weight: 640 g
• TDP rating: 200W
• ARGB connector: 3-pin 5V
• Thermal paste included

Why choose it

The Assassin X 120 Refined SE White ARGB balances cooling performance, low noise, and aesthetics. Its four advanced gravity heat pipes efficiently transfer heat from the CPU, while the 120mm fan with fluid dynamic bearing provides high airflow at moderate noise levels. The all-white design and ARGB lighting make it a perfect match for white-themed builds, and the included thermal paste simplifies installation.

Ideal use cases

• Mid-range gaming PCs with Ryzen 5 or Core i5 processors
• White-themed aesthetic builds
• Quiet home office or content creation workstations
• Systems with limited CPU cooler clearance (154mm height)

Good to know

The cooler supports both Intel and AMD platforms out of the box, including the latest LGA1700 and AM5 sockets. The 3-pin ARGB connector allows synchronization with motherboard lighting software for a cohesive look. With a height of 154mm, it fits most standard ATX and micro-ATX cases. The fan's PWM control automatically adjusts speed based on CPU temperature, keeping noise low during light workloads.