Hardware Spec Index

Caldera FN-6540 Core 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN6540-CORE · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index1,126 (Case Fans scale)
Category rank#29,907
Street price$39
Power4 W
Performance per dollar28.87
Released2025

Specifications

BrandCaldera
ModelCaldera FN-6540 Core
Size140 × 140 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6540 Core 140mm PWM ARGB Case Fan”, https://vextor7.com/item/8556796 (accessed 2026-10-19).