Hardware Spec Index

Caldera FN-1639 XT 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN1639-XT · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index223 (Case Fans scale)
Category rank#47,475
Street price$9
Power3 W
Performance per dollar24.78
Released2023

Specifications

BrandCaldera
ModelCaldera FN-1639 XT
Size120 × 120 × 25 mm
Speed200–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1639 XT 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/9869286 (accessed 2026-10-19).