Hardware Spec Index

Caldera FN-5091 Prime 120mm PWM Case Fan

Case Fans · Caldera · SKU FN5091-PRIME · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index379 (Case Fans scale)
Category rank#14,292
Street price$9
Power4 W
Performance per dollar42.11
Released2020

Specifications

BrandCaldera
ModelCaldera FN-5091 Prime
Size120 × 120 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5091 Prime 120mm PWM Case Fan”, https://vextor7.com/item/58778621 (accessed 2026-10-20).