Hardware Spec Index

Teralux FN-4090 XT 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN4090-XT · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index1,400 (Case Fans scale)
Category rank#39,610
Street price$49
Power4 W
Performance per dollar28.57
Released2021

Specifications

BrandTeralux
ModelTeralux FN-4090 XT
Size140 × 140 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-2118 Ti 120mm PWM Case Fan (3-Pack)312$9Compare
Teralux FN-4716 Ultra 120mm PWM Case Fan570$19Compare
Corvane FN-5502 Plus 120mm PWM ARGB Case Fan896$29Compare
Caldera FN-1635 Core 140mm PWM ARGB Case Fan1,244$49Compare
Caldera FN-6008 Core 120mm PWM Case Fan631$19Compare
Zephyra FN-8517 Prime 120mm PWM ARGB Case Fan (3-Pack)931$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-4090 XT 140mm PWM ARGB Case Fan”, https://vextor7.com/item/1269366 (accessed 2026-10-19).