Hardware Spec Index

Teralux FN-3665 SE 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3665-SE · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index889 (Case Fans scale)
Category rank#44,696
Street price$29
Power3 W
Performance per dollar30.66
Released2020

Specifications

BrandTeralux
ModelTeralux FN-3665 SE
Size140 × 140 × 25 mm
Speed200–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-6956 SE 120mm PWM ARGB Case Fan1,170$49Compare
Brontix FN-5178 Core 140mm PWM ARGB Case Fan1,020$29Compare
Zephyra FN-5893 Pro 140mm PWM ARGB Case Fan865$29Compare
Zephyra FN-9150 Prime 140mm PWM Case Fan277$9Compare
Teralux FN-1800 Edge 140mm PWM Case Fan (3-Pack)504$19Compare
Caldera FN-6012 Pro 120mm PWM ARGB Case Fan (3-Pack)1,083$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-3665 SE 140mm PWM ARGB Case Fan”, https://vextor7.com/item/10201813 (accessed 2026-10-26).