Hardware Spec Index

Zephyra CL-6647 Ultra 360mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL6647-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index1,538 (CPU Coolers scale)
Category rank#47,465
Street price$89
Power15 W
Performance per dollar17.28
Released2021

Specifications

BrandZephyra
ModelZephyra CL-6647 Ultra
TypeAll-in-one liquid cooler
Radiator360 mm, aluminum, 27 mm thick
Fans3× 120 mm, up to 1,600 RPM
Pump2,900 RPM
Rated cooling300 W (manufacturer rating)
Noise33 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-4536 SE 420mm AIO Liquid CPU Cooler2,227$169Compare
Brontix CL-3913 Ti Dual tower Air CPU Cooler1,545$79Compare
Zephyra CL-2262 Core Dual tower Air CPU Cooler1,741$89Compare
Brontix CL-5123 Core 420mm AIO Liquid CPU Cooler2,312$159Compare
Zephyra CL-1234 SE 360mm AIO Liquid CPU Cooler2,377$169Compare
Brontix CL-9403 Core Single tower Air CPU Cooler1,297$59Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-6647 Ultra 360mm AIO Liquid CPU Cooler”, https://vextor7.com/item/83356175 (accessed 2026-10-21).