Hardware Spec Index

Zephyra FN-1731 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN1731-ULTRA · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index1,079 (Case Fans scale)
Category rank#18,004
Street price$29
Power3 W
Performance per dollar37.21
Released2026

Specifications

BrandZephyra
ModelZephyra FN-1731 Ultra
Size140 × 140 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-1731 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/41919500 (accessed 2026-10-26).