Hardware Spec Index

Zephyra FN-1685 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN1685-PRIME · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index799 (Case Fans scale)
Category rank#45,152
Street price$19
Power3 W
Performance per dollar42.05
Released2019

Specifications

BrandZephyra
ModelZephyra FN-1685 Prime
Size140 × 140 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-1685 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/76981595 (accessed 2026-10-25).