Hardware Spec Index

Teralux FN-4090 Pro 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN4090-PRO · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index1,250 (Case Fans scale)
Category rank#10,331
Street price$39
Power2 W
Performance per dollar32.05
Released2022

Specifications

BrandTeralux
ModelTeralux FN-4090 Pro
Size120 × 120 × 25 mm
Speed300–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise34 dBA
BearingRifle 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
Brontix FN-2547 XT 140mm PWM ARGB Case Fan1,066$39Compare
Caldera FN-1245 Plus 120mm PWM ARGB Case Fan1,365$49Compare
Zephyra FN-2136 Edge 120mm PWM Case Fan369$9Compare
Zephyra FN-3860 SE 120mm PWM ARGB Case Fan (3-Pack)1,282$49Compare
Teralux FN-7122 Core 120mm PWM Case Fan (3-Pack)795$19Compare
Corvane FN-8098 Edge 120mm PWM ARGB Case Fan1,248$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-4090 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/627147 (accessed 2026-10-19).