Hardware Spec Index

Zephyra FN-4581 Ti 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4581-TI · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index551 (Case Fans scale)
Category rank#42,003
Street price$19
Power3 W
Performance per dollar29.00
Released2024

Specifications

BrandZephyra
ModelZephyra FN-4581 Ti
Size140 × 140 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4581 Ti 140mm PWM Case Fan”, https://vextor7.com/item/96821033 (accessed 2026-10-25).