Hardware Spec Index

Zephyra FN-4591 XT 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4591-XT · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index215 (Case Fans scale)
Category rank#31,365
Street price$9
Power2 W
Performance per dollar23.89
Released2019

Specifications

BrandZephyra
ModelZephyra FN-4591 XT
Size140 × 140 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4591 XT 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/1132906 (accessed 2026-10-26).