Hardware Spec Index

Zephyra CL-6503 Prime 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL6503-PRIME · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index1,399 (CPU Coolers scale)
Category rank#3,448
Street price$59
Power12 W
Performance per dollar23.71
Released2023

Specifications

BrandZephyra
ModelZephyra CL-6503 Prime
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 2,500 RPM
Pump3,200 RPM
Rated cooling250 W (manufacturer rating)
Noise33 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

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Cite this page: Hardware Spec Index, “Zephyra CL-6503 Prime 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/6435860 (accessed 2026-10-25).