Hardware Spec Index

Zephyra FN-4021 SE 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN4021-SE · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index1,135 (Case Fans scale)
Category rank#35,506
Street price$39
Power4 W
Performance per dollar29.10
Released2023

Specifications

BrandZephyra
ModelZephyra FN-4021 SE
Size120 × 120 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise26 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-4021 SE 120mm PWM ARGB Case Fan”, https://vextor7.com/item/56581929 (accessed 2026-10-25).