Hardware Spec Index

Zephyra CL-3421 Ultra Single tower Air CPU Cooler

CPU Coolers · Zephyra · SKU CL3421-ULTRA · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index1,646 (CPU Coolers scale)
Category rank#27,058
Street price$99
Power3 W
Performance per dollar16.63
Released2026

Specifications

BrandZephyra
ModelZephyra CL-3421 Ultra
TypeSingle tower air cooler
Heat pipes4× 6 mm copper
Height157 mm
Fans1× 120 mm PWM, up to 1,800 RPM
Rated cooling180 W (manufacturer rating)
Noise23 dBA (max)
RAM clearanceUnrestricted
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-3421 Ultra Single tower Air CPU Cooler”, https://vextor7.com/item/2177340 (accessed 2026-10-21).