Hardware Spec Index

Caldera FN-3691 Prime 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3691-PRIME · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index1,093 (Case Fans scale)
Category rank#12,199
Street price$29
Power3 W
Performance per dollar37.69
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3691 Prime
Size140 × 140 × 25 mm
Speed300–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3691 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/8768557 (accessed 2026-10-26).