Hardware Spec Index

Zephyra CL-3991 Edge 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL3991-EDGE · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index646 (CPU Coolers scale)
Category rank#20,618
Street price$19
Power12 W
Performance per dollar34.00
Released2025

Specifications

BrandZephyra
ModelZephyra CL-3991 Edge
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 30 mm thick
Fans2× 120 mm, up to 2,200 RPM
Pump2,800 RPM
Rated cooling250 W (manufacturer rating)
Noise28 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

Related guides

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Cite this page: Hardware Spec Index, “Zephyra CL-3991 Edge 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/85631353 (accessed 2026-10-19).