Hardware Spec Index

Caldera FN-3976 Prime 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3976-PRIME · Released 2025 · Updated 2026-10-18

Key facts

Benchmark index628 (Case Fans scale)
Category rank#34,940
Street price$19
Power3 W
Performance per dollar33.05
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3976 Prime
Size120 × 120 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3976 Prime 120mm PWM Case Fan”, https://vextor7.com/item/6922010 (accessed 2026-10-18).