Hardware Spec Index

Caldera FN-8391 Prime 120mm PWM Case Fan

Case Fans · Caldera · SKU FN8391-PRIME · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index706 (Case Fans scale)
Category rank#29,754
Street price$19
Power3 W
Performance per dollar37.16
Released2021

Specifications

BrandCaldera
ModelCaldera FN-8391 Prime
Size120 × 120 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-8391 Prime 120mm PWM Case Fan”, https://vextor7.com/item/4356028 (accessed 2026-10-23).