Hardware Spec Index

Zephyra FN-3897 Ultra 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3897-ULTRA · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index1,142 (Case Fans scale)
Category rank#41,876
Street price$39
Power3 W
Performance per dollar29.28
Released2022

Specifications

BrandZephyra
ModelZephyra FN-3897 Ultra
Size140 × 140 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3897 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/95527739 (accessed 2026-10-25).