Hardware Spec Index

Caldera FN-3491 Pro 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3491-PRO · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index1,181 (Case Fans scale)
Category rank#632
Street price$39
Power3 W
Performance per dollar30.28
Released2021

Specifications

BrandCaldera
ModelCaldera FN-3491 Pro
Size120 × 120 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
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
Teralux FN-1199 Ultra 140mm PWM ARGB Case Fan881$29Compare
Caldera FN-3670 SE 120mm PWM Case Fan615$19Compare
Corvane FN-8608 Edge 120mm PWM ARGB Case Fan1,400$49Compare
Teralux FN-7192 XT 140mm PWM Case Fan217$9Compare
Caldera FN-5203 Ultra 120mm PWM Case Fan (3-Pack)702$19Compare
Teralux FN-8203 Plus 120mm PWM ARGB Case Fan1,233$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-3491 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/72328101 (accessed 2026-10-24).