Hardware Spec Index

Zephyra CL-3747 XT 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL3747-XT · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index1,955 (CPU Coolers scale)
Category rank#33,348
Street price$149
Power17 W
Performance per dollar13.12
Released2024

Specifications

BrandZephyra
ModelZephyra CL-3747 XT
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 2,100 RPM
Pump2,800 RPM
Rated cooling330 W (manufacturer rating)
Noise28 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power ExplainedAMD AM5 SocketIntel LGA1851 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Brontix CL-1318 Max Single tower Air CPU Cooler1,742$89Compare
Caldera CL-3728 Plus 240mm AIO Liquid CPU Cooler590$19Compare
Teralux CL-1276 Edge Single tower Air CPU Cooler565$19Compare
Brontix CL-4718 Max Single tower Air CPU Cooler1,367$59Compare
Teralux CL-9430 XT Dual tower Air CPU Cooler1,511$89Compare
Teralux CL-8067 Ultra 420mm AIO Liquid CPU Cooler1,850$109Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-3747 XT 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/1975401 (accessed 2026-10-21).