Hardware Spec Index

Zephyra FN-6421 Max 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN6421-MAX · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index642 (Case Fans scale)
Category rank#36,546
Street price$19
Power3 W
Performance per dollar33.79
Released2019

Specifications

BrandZephyra
ModelZephyra FN-6421 Max
Size120 × 120 × 25 mm
Speed400–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-2852 XT 120mm PWM ARGB Case Fan1,032$29Compare
Caldera FN-4428 Max 120mm PWM ARGB Case Fan813$29Compare
Brontix FN-6633 Core 140mm PWM ARGB Case Fan1,002$39Compare
Brontix FN-7893 Max 120mm PWM ARGB Case Fan (3-Pack)1,318$49Compare
Caldera FN-7664 Ti 120mm PWM ARGB Case Fan870$29Compare
Corvane FN-2819 XT 140mm PWM ARGB Case Fan (3-Pack)827$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-6421 Max 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/149011 (accessed 2026-10-19).