Hardware Spec Index

Caldera FN-1639 Pro 120mm PWM Case Fan

Case Fans · Caldera · SKU FN1639-PRO · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index476 (Case Fans scale)
Category rank#32,436
Street price$19
Power3 W
Performance per dollar25.05
Released2022

Specifications

BrandCaldera
ModelCaldera FN-1639 Pro
Size120 × 120 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise30 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1639 Pro 120mm PWM Case Fan”, https://vextor7.com/item/84552552 (accessed 2026-10-25).