Hardware Spec Index

Zephyra FN-3966 Ultra 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3966-ULTRA · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index1,142 (Case Fans scale)
Category rank#2,096
Street price$39
Power3 W
Performance per dollar29.28
Released2020

Specifications

BrandZephyra
ModelZephyra FN-3966 Ultra
Size120 × 120 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3966 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/16070682 (accessed 2026-10-26).