Hardware Spec Index

Zephyra CL-3720 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL3720-ULTRA · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index684 (CPU Coolers scale)
Category rank#49,708
Street price$19
Power12 W
Performance per dollar36.00
Released2020

Specifications

BrandZephyra
ModelZephyra CL-3720 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 38 mm thick
Fans2× 120 mm, up to 1,800 RPM
Pump2,800 RPM
Rated cooling250 W (manufacturer rating)
Noise36 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-3720 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/91581913 (accessed 2026-10-24).