Hardware Spec Index

Teralux FN-3665 XT 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3665-XT · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index1,034 (Case Fans scale)
Category rank#26,283
Street price$39
Power3 W
Performance per dollar26.51
Released2021

Specifications

BrandTeralux
ModelTeralux FN-3665 XT
Size120 × 120 × 25 mm
Speed400–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise32 dBA
BearingMagnetic levitation
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
Corvane FN-9040 SE 120mm PWM ARGB Case Fan (3-Pack)1,061$29Compare
Teralux FN-4697 Edge 120mm PWM Case Fan585$19Compare
Corvane FN-9949 Plus 120mm PWM ARGB Case Fan (3-Pack)949$39Compare
Corvane FN-9098 SE 120mm PWM ARGB Case Fan (3-Pack)1,219$39Compare
Caldera FN-3185 Prime 120mm PWM Case Fan309$9Compare
Corvane FN-9883 Max 120mm PWM Case Fan (3-Pack)733$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-3665 XT 120mm PWM ARGB Case Fan”, https://vextor7.com/item/7595267 (accessed 2026-10-26).