Hardware Spec Index

Zephyra CL-3921 Prime Dual tower Air CPU Cooler

CPU Coolers · Zephyra · SKU CL3921-PRIME · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index2,025 (CPU Coolers scale)
Category rank#3,247
Street price$119
Power6 W
Performance per dollar17.02
Released2021

Specifications

BrandZephyra
ModelZephyra CL-3921 Prime
TypeDual tower air cooler
Heat pipes8× 6 mm copper
Height166 mm
Fans2× 120 mm PWM, up to 2,000 RPM
Rated cooling280 W (manufacturer rating)
Noise23 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-3921 Prime Dual tower Air CPU Cooler”, https://vextor7.com/item/11601102 (accessed 2026-10-19).