Hardware Spec Index

Caldera FN-6904 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6904-PRIME · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index645 (Case Fans scale)
Category rank#45,180
Street price$19
Power4 W
Performance per dollar33.95
Released2026

Specifications

BrandCaldera
ModelCaldera FN-6904 Prime
Size140 × 140 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6904 Prime 140mm PWM Case Fan”, https://vextor7.com/item/1817093 (accessed 2026-10-21).