Hardware Spec Index

Zephyra CL-8642 Plus 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL8642-PLUS · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index2,269 (CPU Coolers scale)
Category rank#43,435
Street price$159
Power17 W
Performance per dollar14.27
Released2021

Specifications

BrandZephyra
ModelZephyra CL-8642 Plus
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 1,700 RPM
Pump3,300 RPM
Rated cooling330 W (manufacturer rating)
Noise32 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

Related guides

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

Similar CPU Coolers

ModelBenchmarkPriceCompare
Brontix CL-7971 XT 360mm AIO Liquid CPU Cooler2,223$149Compare
Caldera CL-1664 Plus Single tower Air CPU Cooler1,551$79Compare
Zephyra CL-5348 Max 240mm AIO Liquid CPU Cooler1,281$49Compare
Zephyra CL-3108 Core Low profile Air CPU Cooler932$29Compare
Zephyra CL-2188 Prime Single tower Air CPU Cooler1,353$59Compare
Zephyra CL-5666 XT Low profile Air CPU Cooler548$19Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-8642 Plus 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/710707 (accessed 2026-10-19).