Hardware Spec Index

Zephyra CL-3831 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL3831-ULTRA · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index1,069 (CPU Coolers scale)
Category rank#36,412
Street price$39
Power12 W
Performance per dollar27.41
Released2024

Specifications

BrandZephyra
ModelZephyra CL-3831 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 1,600 RPM
Pump2,800 RPM
Rated cooling250 W (manufacturer rating)
Noise35 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

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Cite this page: Hardware Spec Index, “Zephyra CL-3831 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/4931083 (accessed 2026-10-25).