Hardware Spec Index

Caldera FN-3697 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3697-PRIME · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index729 (Case Fans scale)
Category rank#15,200
Street price$19
Power3 W
Performance per dollar38.37
Released2020

Specifications

BrandCaldera
ModelCaldera FN-3697 Prime
Size140 × 140 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3697 Prime 140mm PWM Case Fan”, https://vextor7.com/item/4642247 (accessed 2026-10-23).