Hardware Spec Index

Zephyra FN-6581 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN6581-PRO · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index599 (Case Fans scale)
Category rank#1,444
Street price$19
Power3 W
Performance per dollar31.53
Released2024

Specifications

BrandZephyra
ModelZephyra FN-6581 Pro
Size140 × 140 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-6581 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/99860049 (accessed 2026-10-20).