Hardware Spec Index

Zephyra CL-6421 Prime Dual tower Air CPU Cooler

CPU Coolers · Zephyra · SKU CL6421-PRIME · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index1,390 (CPU Coolers scale)
Category rank#31,465
Street price$79
Power6 W
Performance per dollar17.59
Released2019

Specifications

BrandZephyra
ModelZephyra CL-6421 Prime
TypeDual tower air cooler
Heat pipes7× 6 mm copper
Height165 mm
Fans2× 120 mm PWM, up to 1,800 RPM
Rated cooling260 W (manufacturer rating)
Noise26 dBA (max)
RAM clearanceOffset fin stack, 45 mm
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-6421 Prime Dual tower Air CPU Cooler”, https://vextor7.com/item/7542201 (accessed 2026-10-20).