Hardware Spec Index

Caldera FN-5840 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN5840-PRIME · Released 2025 · Updated 2026-10-18

Key facts

Benchmark index641 (Case Fans scale)
Category rank#6,954
Street price$19
Power3 W
Performance per dollar33.74
Released2025

Specifications

BrandCaldera
ModelCaldera FN-5840 Prime
Size140 × 140 × 25 mm
Speed200–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5840 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3697781 (accessed 2026-10-18).