Hardware Spec Index

Caldera FN-4681 Prime 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4681-PRIME · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index342 (Case Fans scale)
Category rank#16,149
Street price$9
Power4 W
Performance per dollar38.00
Released2020

Specifications

BrandCaldera
ModelCaldera FN-4681 Prime
Size120 × 120 × 25 mm
Speed300–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4681 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/5610038 (accessed 2026-10-23).