Hardware Spec Index

Teralux FN-3977 Core 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3977-CORE · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index991 (Case Fans scale)
Category rank#18,158
Street price$29
Power3 W
Performance per dollar34.17
Released2020

Specifications

BrandTeralux
ModelTeralux FN-3977 Core
Size140 × 140 × 25 mm
Speed400–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3977 Core 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/5148665 (accessed 2026-10-23).