Hardware Spec Index

Zephyra FN-3990 Pro 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3990-PRO · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index1,095 (Case Fans scale)
Category rank#13,165
Street price$39
Power4 W
Performance per dollar28.08
Released2021

Specifications

BrandZephyra
ModelZephyra FN-3990 Pro
Size120 × 120 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise22 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-3990 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/92714140 (accessed 2026-10-26).