Hardware Spec Index

Caldera FN-1491 XT 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN1491-XT · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index632 (Case Fans scale)
Category rank#39,660
Street price$19
Power4 W
Performance per dollar33.26
Released2025

Specifications

BrandCaldera
ModelCaldera FN-1491 XT
Size140 × 140 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1491 XT 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/76018978 (accessed 2026-10-24).