Hardware Spec Index

Zephyra CL-9903 Core Single tower Air CPU Cooler

CPU Coolers · Zephyra · SKU CL9903-CORE · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index1,259 (CPU Coolers scale)
Category rank#1,120
Street price$49
Power3 W
Performance per dollar25.69
Released2023

Specifications

BrandZephyra
ModelZephyra CL-9903 Core
TypeSingle tower air cooler
Heat pipes4× 6 mm copper
Height156 mm
Fans1× 120 mm PWM, up to 2,200 RPM
Rated cooling180 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 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Zephyra CL-1256 Pro 360mm AIO Liquid CPU Cooler1,270$59Compare
Teralux CL-9090 Core Dual tower Air CPU Cooler2,314$199Compare
Caldera CL-2879 Ti 240mm AIO Liquid CPU Cooler782$19Compare
Brontix CL-4679 Ultra 240mm AIO Liquid CPU Cooler744$19Compare
Teralux CL-2646 Edge Dual tower Air CPU Cooler2,280$149Compare
Brontix CL-9689 Core 420mm AIO Liquid CPU Cooler2,164$159Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-9903 Core Single tower Air CPU Cooler”, https://vextor7.com/item/328692 (accessed 2026-10-19).