Hardware Spec Index

Zephyra FN-3687 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3687-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index347 (Case Fans scale)
Category rank#24,233
Street price$9
Power4 W
Performance per dollar38.56
Released2020

Specifications

BrandZephyra
ModelZephyra FN-3687 Ultra
Size120 × 120 × 25 mm
Speed200–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3687 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/50831927 (accessed 2026-10-20).