Hardware Spec Index

Caldera FN-4540 Core 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4540-CORE · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index701 (Case Fans scale)
Category rank#23,129
Street price$19
Power3 W
Performance per dollar36.89
Released2024

Specifications

BrandCaldera
ModelCaldera FN-4540 Core
Size140 × 140 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4540 Core 140mm PWM Case Fan”, https://vextor7.com/item/3733955 (accessed 2026-10-25).