Hardware Spec Index

Zephyra CL-6663 Pro 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL6663-PRO · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index2,257 (CPU Coolers scale)
Category rank#28,337
Street price$149
Power17 W
Performance per dollar15.15
Released2022

Specifications

BrandZephyra
ModelZephyra CL-6663 Pro
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 2,300 RPM
Pump3,400 RPM
Rated cooling330 W (manufacturer rating)
Noise27 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power ExplainedAMD AM5 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Brontix CL-5379 XT Dual tower Air CPU Cooler1,964$129Compare
Caldera CL-7115 Pro 360mm AIO Liquid CPU Cooler1,942$119Compare
Teralux CL-9948 Plus 360mm AIO Liquid CPU Cooler1,398$59Compare
Brontix CL-7779 Ti Dual tower Air CPU Cooler1,957$149Compare
Caldera CL-8665 Prime Single tower Air CPU Cooler669$19Compare
Brontix CL-8291 XT Low profile Air CPU Cooler596$19Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-6663 Pro 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/17102448 (accessed 2026-10-23).