Hardware Spec Index

Zephyra CL-4503 Pro 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL4503-PRO · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index1,328 (CPU Coolers scale)
Category rank#17,600
Street price$49
Power13 W
Performance per dollar27.10
Released2023

Specifications

BrandZephyra
ModelZephyra CL-4503 Pro
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 27 mm thick
Fans2× 140 mm, up to 2,200 RPM
Pump3,400 RPM
Rated cooling280 W (manufacturer rating)
Noise29 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 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Zephyra CL-2335 Max 420mm AIO Liquid CPU Cooler2,439$159Compare
Caldera CL-4420 Max Dual tower Air CPU Cooler1,494$79Compare
Teralux CL-3214 SE Single tower Air CPU Cooler1,890$129Compare
Brontix CL-9749 XT 240mm AIO Liquid CPU Cooler982$29Compare
Brontix CL-4489 Plus Single tower Air CPU Cooler1,093$49Compare
Zephyra CL-5102 Core 240mm AIO Liquid CPU Cooler884$29Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-4503 Pro 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/2883809 (accessed 2026-10-19).