Hardware Spec Index

Caldera FN-1645 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN1645-PRIME · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index419 (Case Fans scale)
Category rank#12,679
Street price$9
Power3 W
Performance per dollar46.56
Released2021

Specifications

BrandCaldera
ModelCaldera FN-1645 Prime
Size140 × 140 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1645 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4210178 (accessed 2026-10-22).