Hardware Spec Index

Caldera FN-8641 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN8641-PRIME · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index726 (Case Fans scale)
Category rank#48,212
Street price$19
Power3 W
Performance per dollar38.21
Released2019

Specifications

BrandCaldera
ModelCaldera FN-8641 Prime
Size140 × 140 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-8641 Prime 140mm PWM Case Fan”, https://vextor7.com/item/19947130 (accessed 2026-10-26).