Hardware Spec Index

Caldera FN-1639 Core 140mm PWM Case Fan

Case Fans · Caldera · SKU FN1639-CORE · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index386 (Case Fans scale)
Category rank#38,972
Street price$9
Power2 W
Performance per dollar42.89
Released2025

Specifications

BrandCaldera
ModelCaldera FN-1639 Core
Size140 × 140 × 25 mm
Speed300–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1639 Core 140mm PWM Case Fan”, https://vextor7.com/item/8358917 (accessed 2026-10-19).