Hardware Spec Index

Zephyra FN-1704 Pro 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN1704-PRO · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index659 (Case Fans scale)
Category rank#23,221
Street price$19
Power4 W
Performance per dollar34.68
Released2021

Specifications

BrandZephyra
ModelZephyra FN-1704 Pro
Size140 × 140 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-1704 Pro 140mm PWM Case Fan”, https://vextor7.com/item/6568262 (accessed 2026-10-22).