Hardware Spec Index

Zephyra FN-4737 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4737-ULTRA · Released 2023 · Updated 2026-10-27

Key facts

Benchmark index337 (Case Fans scale)
Category rank#23,993
Street price$9
Power4 W
Performance per dollar37.44
Released2023

Specifications

BrandZephyra
ModelZephyra FN-4737 Ultra
Size120 × 120 × 25 mm
Speed200–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4737 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/77797634 (accessed 2026-10-27).