Hardware Spec Index

Caldera FN-3650 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3650-PRIME · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index690 (Case Fans scale)
Category rank#4,306
Street price$19
Power3 W
Performance per dollar36.32
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3650 Prime
Size140 × 140 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3650 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3555209 (accessed 2026-10-26).