Hardware Spec Index

Caldera FN-1681 Prime 120mm PWM Case Fan

Case Fans · Caldera · SKU FN1681-PRIME · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index522 (Case Fans scale)
Category rank#2,471
Street price$19
Power3 W
Performance per dollar27.47
Released2023

Specifications

BrandCaldera
ModelCaldera FN-1681 Prime
Size120 × 120 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1681 Prime 120mm PWM Case Fan”, https://vextor7.com/item/9544669 (accessed 2026-10-22).