Hardware Spec Index

Caldera FN-8644 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN8644-ULTRA · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index773 (Case Fans scale)
Category rank#6,754
Street price$19
Power3 W
Performance per dollar40.68
Released2019

Specifications

BrandCaldera
ModelCaldera FN-8644 Ultra
Size140 × 140 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-8644 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/8747154 (accessed 2026-10-21).