Hardware Spec Index

Caldera FN-8644 XT 140mm PWM Case Fan

Case Fans · Caldera · SKU FN8644-XT · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index542 (Case Fans scale)
Category rank#42,223
Street price$19
Power4 W
Performance per dollar28.53
Released2024

Specifications

BrandCaldera
ModelCaldera FN-8644 XT
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-8644 XT 140mm PWM Case Fan”, https://vextor7.com/item/1950500 (accessed 2026-10-21).