Hardware Spec Index

Caldera FN-8647 XT 140mm PWM Case Fan

Case Fans · Caldera · SKU FN8647-XT · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index390 (Case Fans scale)
Category rank#21,670
Street price$9
Power3 W
Performance per dollar43.33
Released2021

Specifications

BrandCaldera
ModelCaldera FN-8647 XT
Size140 × 140 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-8647 XT 140mm PWM Case Fan”, https://vextor7.com/item/28119835 (accessed 2026-10-22).