Hardware Spec Index

Caldera FN-1831 XT 140mm PWM Case Fan

Case Fans · Caldera · SKU FN1831-XT · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index268 (Case Fans scale)
Category rank#6,004
Street price$9
Power3 W
Performance per dollar29.78
Released2025

Specifications

BrandCaldera
ModelCaldera FN-1831 XT
Size140 × 140 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1831 XT 140mm PWM Case Fan”, https://vextor7.com/item/73670297 (accessed 2026-10-24).