Hardware Spec Index

Zephyra FN-6421 Prime 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN6421-PRIME · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index801 (Case Fans scale)
Category rank#40,205
Street price$29
Power3 W
Performance per dollar27.62
Released2022

Specifications

BrandZephyra
ModelZephyra FN-6421 Prime
Size120 × 120 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-6421 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/4628667 (accessed 2026-10-23).