Hardware Spec Index

Teralux FN-9977 Ultra 140mm PWM Case Fan

Case Fans · Teralux · SKU FN9977-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index293 (Case Fans scale)
Category rank#22,009
Street price$9
Power2 W
Performance per dollar32.56
Released2021

Specifications

BrandTeralux
ModelTeralux FN-9977 Ultra
Size140 × 140 × 25 mm
Speed300–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-9977 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/92372631 (accessed 2026-10-20).