Hardware Spec Index

Zephyra FN-3700 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3700-ULTRA · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index242 (Case Fans scale)
Category rank#38,415
Street price$9
Power3 W
Performance per dollar26.89
Released2023

Specifications

BrandZephyra
ModelZephyra FN-3700 Ultra
Size120 × 120 × 25 mm
Speed500–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3700 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/41918752 (accessed 2026-10-26).