Hardware Spec Index

Zephyra FN-4591 Ti 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4591-TI · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index608 (Case Fans scale)
Category rank#30,702
Street price$19
Power3 W
Performance per dollar32.00
Released2025

Specifications

BrandZephyra
ModelZephyra FN-4591 Ti
Size140 × 140 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4591 Ti 140mm PWM Case Fan”, https://vextor7.com/item/91663817 (accessed 2026-10-23).