Hardware Spec Index

Caldera FN-2491 Prime 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN2491-PRIME · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index1,200 (Case Fans scale)
Category rank#14,657
Street price$39
Power3 W
Performance per dollar30.77
Released2021

Specifications

BrandCaldera
ModelCaldera FN-2491 Prime
Size140 × 140 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2491 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/4859079 (accessed 2026-10-26).