Hardware Spec Index

Zephyra CL-6347 XT 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL6347-XT · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index2,103 (CPU Coolers scale)
Category rank#37,041
Street price$129
Power17 W
Performance per dollar16.30
Released2021

Specifications

BrandZephyra
ModelZephyra CL-6347 XT
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 30 mm thick
Fans3× 140 mm, up to 2,000 RPM
Pump3,400 RPM
Rated cooling330 W (manufacturer rating)
Noise31 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
Caldera CL-9179 Edge Single tower Air CPU Cooler527$19Compare
Zephyra CL-4895 Core 360mm AIO Liquid CPU Cooler2,002$139Compare
Zephyra CL-9743 Plus 280mm AIO Liquid CPU Cooler900$29Compare
Teralux CL-4550 XT 420mm AIO Liquid CPU Cooler2,217$189Compare
Zephyra CL-5881 XT Dual tower Air CPU Cooler2,257$149Compare
Teralux CL-7696 XT 240mm AIO Liquid CPU Cooler787$29Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-6347 XT 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/6469205 (accessed 2026-10-21).