Hardware Spec Index

Caldera FN-3647 Prime 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3647-PRIME · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index1,156 (Case Fans scale)
Category rank#36,281
Street price$39
Power3 W
Performance per dollar29.64
Released2023

Specifications

BrandCaldera
ModelCaldera FN-3647 Prime
Size140 × 140 × 25 mm
Speed200–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise33 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-3647 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/11323919 (accessed 2026-10-25).