Hardware Spec Index

Zephyra FN-4686 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4686-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index420 (Case Fans scale)
Category rank#26,670
Street price$19
Power3 W
Performance per dollar22.11
Released2020

Specifications

BrandZephyra
ModelZephyra FN-4686 Ultra
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4686 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/560694 (accessed 2026-10-19).