Hardware Spec Index

Zephyra FN-3741 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3741-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index669 (Case Fans scale)
Category rank#18,471
Street price$19
Power3 W
Performance per dollar35.21
Released2025

Specifications

BrandZephyra
ModelZephyra FN-3741 Ultra
Size120 × 120 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3741 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/22556490 (accessed 2026-10-26).