Hardware Spec Index

Caldera FN-6538 Core 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN6538-CORE · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index375 (Case Fans scale)
Category rank#41,736
Street price$9
Power3 W
Performance per dollar41.67
Released2025

Specifications

BrandCaldera
ModelCaldera FN-6538 Core
Size140 × 140 × 25 mm
Speed500–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6538 Core 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4172452 (accessed 2026-10-19).