Hardware Spec Index

Teralux CL-3921 Ultra 360mm AIO Liquid CPU Cooler

CPU Coolers · Teralux · SKU CL3921-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index1,476 (CPU Coolers scale)
Category rank#14,033
Street price$79
Power15 W
Performance per dollar18.68
Released2021

Specifications

BrandTeralux
ModelTeralux CL-3921 Ultra
TypeAll-in-one liquid cooler
Radiator360 mm, aluminum, 27 mm thick
Fans3× 120 mm, up to 2,100 RPM
Pump3,400 RPM
Rated cooling300 W (manufacturer rating)
Noise27 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty5 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power Explained

Similar CPU Coolers

ModelBenchmarkPriceCompare
Zephyra CL-6576 Edge Low profile Air CPU Cooler1,219$49Compare
Caldera CL-7198 Edge 420mm AIO Liquid CPU Cooler2,148$159Compare
Zephyra CL-3306 Ultra 240mm AIO Liquid CPU Cooler821$29Compare
Caldera CL-2405 Edge Single tower Air CPU Cooler726$19Compare
Teralux CL-4724 XT 240mm AIO Liquid CPU Cooler713$19Compare
Caldera CL-9516 Prime Single tower Air CPU Cooler1,102$39Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Teralux CL-3921 Ultra 360mm AIO Liquid CPU Cooler”, https://vextor7.com/item/1608153 (accessed 2026-10-23).