Hardware Spec Index

Zephyra FN-4037 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4037-ULTRA · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index321 (Case Fans scale)
Category rank#24,857
Street price$9
Power3 W
Performance per dollar35.67
Released2019

Specifications

BrandZephyra
ModelZephyra FN-4037 Ultra
Size120 × 120 × 25 mm
Speed400–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4037 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/31364555 (accessed 2026-10-25).