Hardware Spec Index

Zephyra FN-5981 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN5981-ULTRA · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index1,400 (Case Fans scale)
Category rank#10,830
Street price$49
Power4 W
Performance per dollar28.57
Released2024

Specifications

BrandZephyra
ModelZephyra FN-5981 Ultra
Size140 × 140 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5981 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/18509983 (accessed 2026-10-25).