Hardware Spec Index

Teralux FN-7840 Ultra 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN7840-ULTRA · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index1,256 (Case Fans scale)
Category rank#39,603
Street price$49
Power3 W
Performance per dollar25.63
Released2024

Specifications

BrandTeralux
ModelTeralux FN-7840 Ultra
Size140 × 140 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-7840 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/431989 (accessed 2026-10-19).