Hardware Spec Index

Caldera FN-3639 Core 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3639-CORE · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index745 (Case Fans scale)
Category rank#6,318
Street price$29
Power3 W
Performance per dollar25.69
Released2026

Specifications

BrandCaldera
ModelCaldera FN-3639 Core
Size140 × 140 × 25 mm
Speed200–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3639 Core 140mm PWM Case Fan”, https://vextor7.com/item/2564451 (accessed 2026-10-22).