Hardware Spec Index

Zephyra CL-4621 Plus 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL4621-PLUS · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index2,073 (CPU Coolers scale)
Category rank#22,105
Street price$169
Power17 W
Performance per dollar12.27
Released2024

Specifications

BrandZephyra
ModelZephyra CL-4621 Plus
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 1,800 RPM
Pump2,900 RPM
Rated cooling330 W (manufacturer rating)
Noise26 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
Zephyra CL-2062 Ti 280mm AIO Liquid CPU Cooler1,673$89Compare
Teralux CL-9203 Max 360mm AIO Liquid CPU Cooler1,288$49Compare
Teralux CL-7800 Prime 240mm AIO Liquid CPU Cooler779$19Compare
Caldera CL-6598 Prime Single tower Air CPU Cooler718$19Compare
Teralux CL-7213 SE Single tower Air CPU Cooler702$19Compare
Caldera CL-3008 Plus Dual tower Air CPU Cooler2,130$159Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-4621 Plus 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/1387906 (accessed 2026-10-20).