Hardware Spec Index

Caldera FN-6631 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6631-PRO · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index532 (Case Fans scale)
Category rank#16,847
Street price$19
Power3 W
Performance per dollar28.00
Released2026

Specifications

BrandCaldera
ModelCaldera FN-6631 Pro
Size140 × 140 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6631 Pro 140mm PWM Case Fan”, https://vextor7.com/item/16636993 (accessed 2026-10-20).