Hardware Spec Index

Zephyra FN-5998 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN5998-ULTRA · Released 2019 · Updated 2026-10-27

Key facts

Benchmark index299 (Case Fans scale)
Category rank#11,826
Street price$9
Power3 W
Performance per dollar33.22
Released2019

Specifications

BrandZephyra
ModelZephyra FN-5998 Ultra
Size140 × 140 × 25 mm
Speed200–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5998 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/93351439 (accessed 2026-10-27).