Hardware Spec Index

Zephyra CL-9959 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL9959-ULTRA · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index2,317 (CPU Coolers scale)
Category rank#27,513
Street price$169
Power17 W
Performance per dollar13.71
Released2022

Specifications

BrandZephyra
ModelZephyra CL-9959 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 1,500 RPM
Pump3,100 RPM
Rated cooling330 W (manufacturer rating)
Noise25 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 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Teralux CL-5781 Prime 240mm AIO Liquid CPU Cooler575$19Compare
Brontix CL-1094 Ti 360mm AIO Liquid CPU Cooler2,031$119Compare
Brontix CL-7733 Ti Single tower Air CPU Cooler1,508$89Compare
Teralux CL-2817 XT Dual tower Air CPU Cooler2,480$199Compare
Teralux CL-8926 Pro Dual tower Air CPU Cooler1,964$129Compare
Zephyra CL-9239 Ti Low profile Air CPU Cooler1,146$39Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-9959 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/5368635 (accessed 2026-10-23).