Hardware Spec Index

Caldera FN-8641 Ultra 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN8641-ULTRA · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index923 (Case Fans scale)
Category rank#40,369
Street price$29
Power3 W
Performance per dollar31.83
Released2024

Specifications

BrandCaldera
ModelCaldera FN-8641 Ultra
Size140 × 140 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-8641 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/7673149 (accessed 2026-10-24).