Hardware Spec Index

Zephyra FN-3670 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3670-ULTRA · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index237 (Case Fans scale)
Category rank#48,500
Street price$9
Power3 W
Performance per dollar26.33
Released2024

Specifications

BrandZephyra
ModelZephyra FN-3670 Ultra
Size140 × 140 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3670 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/7355188 (accessed 2026-10-24).