Hardware Spec Index

Teralux FN-3491 Max 140mm PWM Case Fan

Case Fans · Teralux · SKU FN3491-MAX · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index447 (Case Fans scale)
Category rank#14,858
Street price$19
Power2 W
Performance per dollar23.53
Released2023

Specifications

BrandTeralux
ModelTeralux FN-3491 Max
Size140 × 140 × 25 mm
Speed300–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-2421 Edge 140mm PWM Case Fan726$19Compare
Zephyra FN-6908 XT 140mm PWM Case Fan (3-Pack)598$19Compare
Caldera FN-6412 Ti 140mm PWM Case Fan670$19Compare
Zephyra FN-2363 Pro 120mm PWM Case Fan794$19Compare
Zephyra FN-8310 Plus 120mm PWM ARGB Case Fan1,024$29Compare
Brontix FN-4398 Ti 120mm PWM ARGB Case Fan1,176$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-3491 Max 140mm PWM Case Fan”, https://vextor7.com/item/6284429 (accessed 2026-10-21).