Hardware Spec Index

Caldera FN-5685 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN5685-PRIME · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index473 (Case Fans scale)
Category rank#30,810
Street price$19
Power3 W
Performance per dollar24.89
Released2025

Specifications

BrandCaldera
ModelCaldera FN-5685 Prime
Size140 × 140 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5685 Prime 140mm PWM Case Fan”, https://vextor7.com/item/473379 (accessed 2026-10-21).