Hardware Spec Index

Teralux FN-1977 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN1977-PRIME · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index361 (Case Fans scale)
Category rank#13,567
Street price$9
Power4 W
Performance per dollar40.11
Released2025

Specifications

BrandTeralux
ModelTeralux FN-1977 Prime
Size140 × 140 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-1977 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/35306592 (accessed 2026-10-25).