Hardware Spec Index

Zephyra FN-3998 Max 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3998-MAX · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index458 (Case Fans scale)
Category rank#9,160
Street price$19
Power4 W
Performance per dollar24.11
Released2023

Specifications

BrandZephyra
ModelZephyra FN-3998 Max
Size120 × 120 × 25 mm
Speed200–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3998 Max 120mm PWM Case Fan”, https://vextor7.com/item/9748605 (accessed 2026-10-24).