Hardware Spec Index

Zephyra FN-3940 Ultra 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3940-ULTRA · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index918 (Case Fans scale)
Category rank#641
Street price$29
Power3 W
Performance per dollar31.66
Released2024

Specifications

BrandZephyra
ModelZephyra FN-3940 Ultra
Size120 × 120 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3940 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/4759730 (accessed 2026-10-21).