Hardware Spec Index

Zephyra CL-9421 Core Single tower Air CPU Cooler

CPU Coolers · Zephyra · SKU CL9421-CORE · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index1,227 (CPU Coolers scale)
Category rank#36,046
Street price$49
Power3 W
Performance per dollar25.04
Released2025

Specifications

BrandZephyra
ModelZephyra CL-9421 Core
TypeSingle tower air cooler
Heat pipes6× 6 mm copper
Height158 mm
Fans1× 120 mm PWM, up to 1,500 RPM
Rated cooling220 W (manufacturer rating)
Noise30 dBA (max)
RAM clearanceUnrestricted
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-9965 SE Low profile Air CPU Cooler658$19Compare
Zephyra CL-3116 Edge 360mm AIO Liquid CPU Cooler1,817$109Compare
Caldera CL-5289 Max Single tower Air CPU Cooler1,634$79Compare
Zephyra CL-2904 Edge Single tower Air CPU Cooler1,966$149Compare
Brontix CL-2256 Ti 240mm AIO Liquid CPU Cooler961$29Compare
Zephyra CL-2478 SE Dual tower Air CPU Cooler2,189$159Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-9421 Core Single tower Air CPU Cooler”, https://vextor7.com/item/8767487 (accessed 2026-10-20).