Hardware Spec Index

Teralux FN-7840 Prime 120mm PWM Case Fan

Case Fans · Teralux · SKU FN7840-PRIME · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index513 (Case Fans scale)
Category rank#19,158
Street price$19
Power4 W
Performance per dollar27.00
Released2019

Specifications

BrandTeralux
ModelTeralux FN-7840 Prime
Size120 × 120 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 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-7840 Prime 120mm PWM Case Fan”, https://vextor7.com/item/2589201 (accessed 2026-10-21).