Hardware Spec Index

Teralux FN-3669 Prime 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3669-PRIME · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index1,019 (Case Fans scale)
Category rank#29,145
Street price$29
Power4 W
Performance per dollar35.14
Released2021

Specifications

BrandTeralux
ModelTeralux FN-3669 Prime
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise24 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-6138 Pro 140mm PWM Case Fan326$9Compare
Brontix FN-9655 XT 120mm PWM Case Fan556$19Compare
Brontix FN-7066 XT 120mm PWM ARGB Case Fan (3-Pack)799$29Compare
Teralux FN-2195 Edge 120mm PWM ARGB Case Fan1,400$49Compare
Corvane FN-9547 Core 120mm PWM Case Fan (3-Pack)543$19Compare
Teralux FN-4338 Edge 140mm PWM Case Fan365$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-3669 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/884609 (accessed 2026-10-19).