Hardware Spec Index

Caldera FN-4231 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4231-PRO · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index795 (Case Fans scale)
Category rank#25,950
Street price$29
Power2 W
Performance per dollar27.41
Released2026

Specifications

BrandCaldera
ModelCaldera FN-4231 Pro
Size140 × 140 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4231 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/2745291 (accessed 2026-10-19).