Hardware Spec Index

Caldera FN-4381 Prime 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4381-PRIME · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index231 (Case Fans scale)
Category rank#26,306
Street price$9
Power4 W
Performance per dollar25.67
Released2026

Specifications

BrandCaldera
ModelCaldera FN-4381 Prime
Size120 × 120 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4381 Prime 120mm PWM Case Fan”, https://vextor7.com/item/436143 (accessed 2026-10-20).