Hardware Spec Index

Zephyra CL-9858 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL9858-ULTRA · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index1,855 (CPU Coolers scale)
Category rank#32,360
Street price$139
Power17 W
Performance per dollar13.35
Released2026

Specifications

BrandZephyra
ModelZephyra CL-9858 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 38 mm thick
Fans3× 140 mm, up to 2,300 RPM
Pump2,900 RPM
Rated cooling330 W (manufacturer rating)
Noise34 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 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
Caldera CL-1542 Core Dual tower Air CPU Cooler2,284$189Compare
Brontix CL-8317 Prime Single tower Air CPU Cooler618$19Compare
Brontix CL-9724 XT Low profile Air CPU Cooler660$19Compare
Zephyra CL-2561 XT 360mm AIO Liquid CPU Cooler2,376$189Compare
Teralux CL-7416 Plus Single tower Air CPU Cooler807$29Compare
Zephyra CL-1981 SE Single tower Air CPU Cooler1,360$69Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-9858 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/10763550 (accessed 2026-10-23).