Hardware Spec Index

Zephyra FN-4021 Max 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN4021-MAX · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index1,051 (Case Fans scale)
Category rank#24,111
Street price$39
Power3 W
Performance per dollar26.95
Released2021

Specifications

BrandZephyra
ModelZephyra FN-4021 Max
Size140 × 140 × 25 mm
Speed500–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4021 Max 140mm PWM ARGB Case Fan”, https://vextor7.com/item/6419059 (accessed 2026-10-22).