Hardware Spec Index

Zephyra FN-5977 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN5977-ULTRA · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index555 (Case Fans scale)
Category rank#28,882
Street price$19
Power4 W
Performance per dollar29.21
Released2025

Specifications

BrandZephyra
ModelZephyra FN-5977 Ultra
Size140 × 140 × 25 mm
Speed400–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5977 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/967424 (accessed 2026-10-24).