Hardware Spec Index

Zephyra CL-3621 Pro 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL3621-PRO · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index1,355 (CPU Coolers scale)
Category rank#31,916
Street price$59
Power12 W
Performance per dollar22.97
Released2021

Specifications

BrandZephyra
ModelZephyra CL-3621 Pro
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 30 mm thick
Fans2× 120 mm, up to 1,600 RPM
Pump2,900 RPM
Rated cooling250 W (manufacturer rating)
Noise32 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-3621 Pro 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/93359000 (accessed 2026-10-26).